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190 vulnerabilities found for Apache Traffic Server by Apache Software Foundation
CVE-2026-65100 (GCVE-0-2026-65100)
Vulnerability from nvd – Published: 2026-07-29 09:06 – Updated: 2026-07-29 12:10
VLAI
EPSS
VEX
Title
Apache Traffic Server: HPACK encoder desynchronizes from the decoder after a failed header encode
Summary
Apache Traffic Server updates the HTTP/2 HPACK dynamic table before confirming the header block encoded successfully, so an encode failure leaves the encoder out of sync with the peer decoder and corrupts subsequent header blocks on the connection.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
4.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-696 - Incorrect Behavior Order
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
(semver)
Affected: 9.0.0 , ≤ 9.2.14 (semver) Affected: 10.0.0 , ≤ 10.1.3 (semver) |
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CVE-2026-58189 (GCVE-0-2026-58189)
Vulnerability from nvd – Published: 2026-07-29 09:05 – Updated: 2026-07-29 12:10
VLAI
EPSS
VEX
Title
Apache Traffic Server: Plugins resetting the redirect counter enable SSRF amplification
Summary
Apache Traffic Server allows redirect-limit bypass when plugins reset the retry counter, enabling SSRF amplification.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
(semver)
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CVE-2026-58188 (GCVE-0-2026-58188)
Vulnerability from nvd – Published: 2026-07-29 09:04 – Updated: 2026-07-29 12:11
VLAI
EPSS
VEX
Title
Apache Traffic Server: Memory-safety and limit-bypass errors across experimental plugins
Summary
Several Apache Traffic Server experimental plugins have memory-safety and limit-bypass errors.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
(semver)
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CVE-2026-58187 (GCVE-0-2026-58187)
Vulnerability from nvd – Published: 2026-07-29 09:03 – Updated: 2026-07-29 12:11
VLAI
EPSS
VEX
Title
Apache Traffic Server: Multiplexer plugin chunk decoder enables a denial of service
Summary
The Apache Traffic Server multiplexer plugin overruns its chunk-decode buffer on upstream input, enabling denial of service.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
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CVE-2026-58186 (GCVE-0-2026-58186)
Vulnerability from nvd – Published: 2026-07-29 09:01 – Updated: 2026-07-29 12:11
VLAI
EPSS
VEX
Title
Apache Traffic Server: webp_transform plugin decodes unsafely and mislabels degraded responses
Summary
The Apache Traffic Server webp_transform plugin can decode unsafely and serve mislabeled, cacheable responses.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
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1 product
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Affected:
8.0.0 , ≤ 8.1.9
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CVE-2026-58185 (GCVE-0-2026-58185)
Vulnerability from nvd – Published: 2026-07-29 08:57 – Updated: 2026-07-29 12:13
VLAI
EPSS
VEX
Title
Apache Traffic Server: Use-after-free in the intercept plugin
Summary
The Apache Traffic Server intercept plugin has a use-after-free.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
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CVE-2026-58184 (GCVE-0-2026-58184)
Vulnerability from nvd – Published: 2026-07-29 08:56 – Updated: 2026-07-29 12:13
VLAI
EPSS
VEX
Title
Apache Traffic Server: header_rewrite plugin cookie handling can corrupt memory
Summary
The Apache Traffic Server header_rewrite plugin can crash or corrupt memory during cookie operations and CIDR condition matching.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
| URL | Tags |
|---|---|
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CVE-2026-58183 (GCVE-0-2026-58183)
Vulnerability from nvd – Published: 2026-07-29 08:55 – Updated: 2026-07-29 12:13
VLAI
EPSS
VEX
Title
Apache Traffic Server: prefetch plugin can crash on attacker-influenced input
Summary
The Apache Traffic Server prefetch plugin can crash when processing attacker-influenced input.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
(semver)
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CVE-2026-58182 (GCVE-0-2026-58182)
Vulnerability from nvd – Published: 2026-07-29 08:54 – Updated: 2026-07-29 12:14
VLAI
EPSS
VEX
Title
Apache Traffic Server: ts_lua plugin has initialization and resource-handling errors
Summary
The Apache Traffic Server ts_lua plugin mishandles initialization, transform context, and per-instance state.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
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Impacted products
1 product
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Affected:
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CVE-2026-58181 (GCVE-0-2026-58181)
Vulnerability from nvd – Published: 2026-07-29 08:46 – Updated: 2026-07-29 12:17
VLAI
EPSS
VEX
Title
Apache Traffic Server: uri_signing and url_sig plugins can exhaust the stack or crash
Summary
The Apache Traffic Server uri_signing and url_sig plugins can exhaust the stack or crash on attacker input.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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Affected:
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CVE-2026-58180 (GCVE-0-2026-58180)
Vulnerability from nvd – Published: 2026-07-29 08:45 – Updated: 2026-07-29 13:30
VLAI
EPSS
VEX
Title
Apache Traffic Server: txn_box plugin overflows the stack from attacker input
Summary
The Apache Traffic Server txn_box plugin overflows the stack from attacker-controlled input.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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Affected:
8.0.0 , ≤ 8.1.9
(semver)
Affected: 9.0.0 , ≤ 9.2.14 (semver) Affected: 10.0.0 , ≤ 10.1.3 (semver) |
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CVE-2026-58179 (GCVE-0-2026-58179)
Vulnerability from nvd – Published: 2026-07-29 08:44 – Updated: 2026-07-30 03:55
VLAI
EPSS
VEX
Title
Apache Traffic Server: regex_remap plugin overflows the stack from attacker input
Summary
The Apache Traffic Server regex_remap plugin overflows the stack and integers from substitution input.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
(semver)
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CVE-2026-58178 (GCVE-0-2026-58178)
Vulnerability from nvd – Published: 2026-07-29 08:43 – Updated: 2026-07-29 13:30
VLAI
EPSS
VEX
Title
Apache Traffic Server: ESI plugin allows uncontrolled recursion and server-side request forgery
Summary
The Apache Traffic Server ESI plugin can recurse without bound and fetch attacker-controlled URLs.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
(semver)
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CVE-2026-58177 (GCVE-0-2026-58177)
Vulnerability from nvd – Published: 2026-07-29 08:42 – Updated: 2026-07-29 13:33
VLAI
EPSS
VEX
Title
Apache Traffic Server: Memory-safety and path-traversal errors in the Cripts framework
Summary
The Apache Traffic Server Cripts framework has out-of-bounds writes, path traversal, and use-after-free errors.
This issue affects Apache Traffic Server: from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
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CVE-2026-58175 (GCVE-0-2026-58175)
Vulnerability from nvd – Published: 2026-07-29 08:41 – Updated: 2026-07-29 13:39
VLAI
EPSS
VEX
Title
Apache Traffic Server: HostDB SRV handling leaks memory
Summary
Apache Traffic Server leaks memory when handling HostDB SRV records.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
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1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
(semver)
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CVE-2026-58164 (GCVE-0-2026-58164)
Vulnerability from nvd – Published: 2026-07-29 08:37 – Updated: 2026-07-29 13:39
VLAI
EPSS
VEX
Title
Apache Traffic Server: Remap configuration lifetime and TOCTOU errors cause use-after-free
Summary
Apache Traffic Server has use-after-free and time-of-check/time-of-use errors in remap configuration handling.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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Affected:
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(semver)
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CVE-2026-58163 (GCVE-0-2026-58163)
Vulnerability from nvd – Published: 2026-07-29 08:36 – Updated: 2026-07-29 13:40
VLAI
EPSS
VEX
Title
Apache Traffic Server: Cache deserialization and lifetime errors can corrupt state or crash the server
Summary
Apache Traffic Server mishandles on-disk cache fields and object lifetimes, corrupting state or crashing.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
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Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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CVE-2026-58162 (GCVE-0-2026-58162)
Vulnerability from nvd – Published: 2026-07-29 08:36 – Updated: 2026-07-29 13:41
VLAI
EPSS
VEX
Title
Apache Traffic Server: Certifier plugin trusts client SNI when generating certificates
Summary
The Apache Traffic Server certifier plugin generates certificates based on attacker-controlled client SNI.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
(semver)
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CVE-2026-58161 (GCVE-0-2026-58161)
Vulnerability from nvd – Published: 2026-07-29 08:35 – Updated: 2026-07-29 13:17
VLAI
EPSS
VEX
Title
Apache Traffic Server: Memory-safety errors in TLS and SNI handling can crash the server
Summary
Apache Traffic Server can crash from null dereferences and dangling references in TLS and SNI handling.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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|---|---|---|---|
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Affected:
8.0.0 , ≤ 8.1.9
(semver)
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CVE-2026-58160 (GCVE-0-2026-58160)
Vulnerability from nvd – Published: 2026-07-29 08:34 – Updated: 2026-07-29 12:14
VLAI
EPSS
VEX
Title
Apache Traffic Server: Out-of-bounds reads while parsing DNS responses
Summary
Apache Traffic Server reads out of bounds while parsing DNS answers.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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Affected:
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CVE-2026-58159 (GCVE-0-2026-58159)
Vulnerability from nvd – Published: 2026-07-29 08:32 – Updated: 2026-07-29 12:15
VLAI
EPSS
VEX
Title
Apache Traffic Server: Listener and ACL handling allow access-control bypass
Summary
Apache Traffic Server can bypass IP access controls on UDS listeners and through ACL matching errors.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
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(semver)
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CVE-2026-58158 (GCVE-0-2026-58158)
Vulnerability from nvd – Published: 2026-07-29 08:26 – Updated: 2026-07-29 12:15
VLAI
EPSS
VEX
Title
Apache Traffic Server: PROXY protocol parsing has port truncation and a stack overflow
Summary
Apache Traffic Server mishandles PROXY protocol input, truncating ports and overflowing the stack.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
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| Apache Software Foundation | Apache Traffic Server |
Affected:
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CVE-2026-58157 (GCVE-0-2026-58157)
Vulnerability from nvd – Published: 2026-07-29 08:25 – Updated: 2026-07-30 03:55
VLAI
EPSS
VEX
Title
Apache Traffic Server: Improper server-session reuse can expose data across client connections
Summary
Apache Traffic Server can reuse server sessions and tunnels improperly, exposing data across client connections.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
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CVE-2026-65325 (GCVE-0-2026-65325)
Vulnerability from nvd – Published: 2026-07-29 08:23 – Updated: 2026-07-29 12:19
VLAI
EPSS
VEX
Title
Apache Traffic Server: HTTP/2 multiplexed origin sessions are reused without certificate re-verification
Summary
Apache Traffic Server reuses multiplexed HTTP/2 origin connections without verifying the server certificate covers the new request hostname.
This issue affects Apache Traffic Server: from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
4.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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CVE-2026-65324 (GCVE-0-2026-65324)
Vulnerability from nvd – Published: 2026-07-29 08:17 – Updated: 2026-07-29 12:20
VLAI
EPSS
VEX
Title
Apache Traffic Server: HTTP/2 and HTTP/3 dechunking removes per-stream buffer cap, allowing memory exhaustion
Summary
Apache Traffic Server drops the per-stream buffer cap when dechunking HTTP/2 or HTTP/3 responses, letting a slow client exhaust server memory.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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Affected:
8.0.0 , ≤ 8.1.9
(semver)
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CVE-2026-58156 (GCVE-0-2026-58156)
Vulnerability from nvd – Published: 2026-07-29 08:25 – Updated: 2026-07-29 12:17
VLAI
EPSS
VEX
Title
Apache Traffic Server: URL and port parsing errors allow access-control bypass
Summary
Apache Traffic Server mis-parses ports in URLs and userinfo, allowing port-based access-control bypass.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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|---|---|---|---|
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Affected:
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(semver)
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CVE-2026-58155 (GCVE-0-2026-58155)
Vulnerability from nvd – Published: 2026-07-29 08:24 – Updated: 2026-07-29 12:19
VLAI
EPSS
VEX
Title
Apache Traffic Server: Header-name length truncation enables header aliasing and request smuggling
Summary
Apache Traffic Server truncates over-long header names, allowing header aliasing, request smuggling, and policy bypass.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
9.3 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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Affected:
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CVE-2026-58154 (GCVE-0-2026-58154)
Vulnerability from nvd – Published: 2026-07-29 08:24 – Updated: 2026-07-29 12:19
VLAI
EPSS
VEX
Title
Apache Traffic Server: Memory-safety errors in MIME and header parsing
Summary
Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
8.9 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
(semver)
Affected: 9.0.0 , ≤ 9.2.14 (semver) Affected: 10.0.0 , ≤ 10.1.3 (semver) |
Credits
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CVE-2026-58153 (GCVE-0-2026-58153)
Vulnerability from nvd – Published: 2026-07-29 08:17 – Updated: 2026-07-29 13:29
VLAI
EPSS
VEX
Title
Apache Traffic Server: HTTP/2 to HTTP/1 conversion forwards origin trailers to clients unsafely
Summary
Apache Traffic Server forwards HTTP/2 origin trailers to HTTP/1 clients without proper chunked framing when converting HTTP/2 to HTTP/1.
This issue affects Apache Traffic Server: from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
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(semver)
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CVE-2026-58152 (GCVE-0-2026-58152)
Vulnerability from nvd – Published: 2026-07-29 08:16 – Updated: 2026-07-29 13:28
VLAI
EPSS
VEX
Title
Apache Traffic Server: Integer-handling errors in HPACK/XPACK decoding corrupt memory
Summary
Apache Traffic Server mishandles integers while decoding HPACK/XPACK headers, corrupting memory.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
(semver)
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