Common Weakness Enumeration
CWE-191
AllowedInteger Underflow (Wrap or Wraparound)
Abstraction: Base · Status: Draft
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.
728 vulnerabilities reference this CWE, most recent first.
CVE-2026-6678 (GCVE-0-2026-6678)
Vulnerability from cvelistv5 – Published: 2026-06-25 20:16 – Updated: 2026-07-01 16:47
VLAI
EPSS
VEX
Title
Integer underflow in wc_PKCS7_DecryptOri handling crafted Other Recipient Info
Summary
Integer underflow in wc_PKCS7_DecryptOri when handling crafted Other Recipient Info, leading to incorrect length handling during decryption.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 13:12 UTC
CWE
- CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
References
Impacted products
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CVE-2026-5778 (GCVE-0-2026-5778)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:45 – Updated: 2026-04-10 13:53
VLAI
EPSS
VEX
Title
Integer underflow leads to out-of-bounds access in sniffer ChaCha decrypt path.
Summary
Integer underflow in wolfSSL packet sniffer <= 5.9.0 allows an attacker to cause a program crash in the AEAD decryption path by injecting a TLS record shorter than the explicit IV plus authentication tag into traffic inspected by ssl_DecodePacket. The underflow wraps a 16-bit length to a large value that is passed to AEAD decryption routines, causing a large out-of-bounds read and crash. An unauthenticated attacker can trigger this remotely via malformed TLS Application Data records.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-10 13:53 UTC
CWE
- CWE-191 - Integer underflow (wrap or wraparound)
Assigner
References
1 reference
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CVE-2026-5720 (GCVE-0-2026-5720)
Vulnerability from cvelistv5 – Published: 2026-04-17 21:39 – Updated: 2026-07-14 22:03
VLAI
EPSS
VEX
Title
miniupnpd Integer Underflow SOAPAction Header Parsing
Summary
miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting improper length validation in ParseHttpHeaders(), where the parsed length underflows to a large unsigned value when passed to memchr(), causing the process to scan memory far beyond the allocated HTTP request buffer.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-20 14:51 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/miniupnp/miniupnp/ | product |
| https://github.com/miniupnp/miniupnp/commit/f56bd… | patch |
| https://www.vulncheck.com/advisories/miniupnpd-in… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| miniupnp project | miniupnpd |
Affected:
0 , < 2.3.10
(semver)
cpe:2.3:a:miniupnp_project:miniupnpd:*:*:*:*:*:*:*:* |
Date Public
2026-04-03 00:00
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CVE-2026-5188 (GCVE-0-2026-5188)
Vulnerability from cvelistv5 – Published: 2026-04-10 03:24 – Updated: 2026-04-10 13:41
VLAI
EPSS
VEX
Title
Integer underflow in X.509 SAN parsing in wolfSSL
Summary
An integer underflow issue exists in wolfSSL when parsing the Subject Alternative Name (SAN) extension of X.509 certificates. A malformed certificate can specify an entry length larger than the enclosing sequence, causing the internal length counter to wrap during parsing. This results in incorrect handling of certificate data. The issue is limited to configurations using the original ASN.1 parsing implementation which is off by default.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-10 13:41 UTC
CWE
- CWE-191 - Integer underflow
Assigner
References
1 reference
Date Public
2026-03-31 00:02
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CVE-2026-3172 (GCVE-0-2026-3172)
Vulnerability from cvelistv5 – Published: 2026-02-25 20:59 – Updated: 2026-02-26 15:04
VLAI
EPSS
VEX
Title
pgvector buffer overflow in parallel HNSW index build
Summary
Buffer overflow in parallel HNSW index build in pgvector 0.6.0 through 0.8.1 allows a database user to leak sensitive data from other relations or crash the database server.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-26 15:03 UTC
Assigner
References
1 reference
Impacted products
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CVE-2026-3084 (GCVE-0-2026-3084)
Vulnerability from cvelistv5 – Published: 2026-03-13 20:42 – Updated: 2026-07-15 01:09
VLAI
EPSS
VEX
Title
GStreamer H.266 Codec Parser Integer Underflow Remote Code Execution Vulnerability
Summary
GStreamer H.266 Codec Parser Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the parsing of picture partitions. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28910.
Severity
7.8 (High)
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-17 00:00 UTC
CWE
- CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://gitlab.freedesktop.org/gstreamer/gstreame… | vendor-advisory |
| https://access.redhat.com/security/cve/CVE-2026-3084 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2447483 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| GStreamer | GStreamer |
Affected:
1c6e163aa33962f5ee4a87d29319ccdd5cb67612
|
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
Date Public
2026-03-06 21:21
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CVE-2026-2369 (GCVE-0-2026-2369)
Vulnerability from cvelistv5 – Published: 2026-03-19 14:20 – Updated: 2026-04-28 21:34
VLAI
EPSS
VEX
Title
Libsoup: libsoup: buffer overread due to integer underflow when handling zero-length resources
Summary
A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an application level denial of service.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-19 14:42 UTC
CWE
- CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-2369 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2439091 | issue-trackingx_refsource_REDHAT |
| https://gitlab.gnome.org/GNOME/libsoup/-/issues/498 |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
Date Public
2026-02-11 11:11
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CVE-2026-1005 (GCVE-0-2026-1005)
Vulnerability from cvelistv5 – Published: 2026-03-19 17:00 – Updated: 2026-03-19 17:20
VLAI
EPSS
VEX
Title
Integer underflow leads to out-of-bounds access in sniffer AES-GCM/CCM/ARIA-GCM decrypt path
Summary
Integer underflow in wolfSSL packet sniffer <= 5.8.4 allows an attacker to cause a buffer overflow in the AEAD decryption path by injecting a TLS record shorter than the explicit IV plus authentication tag into traffic inspected by ssl_DecodePacket. The underflow wraps a 16-bit length to a large value that is passed to AEAD decryption routines, causing heap buffer overflow and a crash. An unauthenticated attacker can trigger this remotely via malformed TLS Application Data records.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-19 17:19 UTC
CWE
- CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
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1 reference
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CVE-2025-66217 (GCVE-0-2025-66217)
Vulnerability from cvelistv5 – Published: 2025-11-29 01:57 – Updated: 2025-12-01 14:11
VLAI
EPSS
VEX
Title
AIS-catcher Integer Underflow in MQTT Packet Parsing leading to Heap Buffer Overflow
Summary
AIS-catcher is a multi-platform AIS receiver. Prior to version 0.64, an integer underflow vulnerability exists in the MQTT parsing logic of AIS-catcher. This vulnerability allows an attacker to trigger a massive Heap Buffer Overflow by sending a malformed MQTT packet with a manipulated Topic Length field. This leads to an immediate Denial of Service (DoS) and, when used as a library, severe Memory Corruption that can be leveraged for Remote Code Execution (RCE). This issue has been patched in version 0.64.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-01 13:52 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/jvde-github/AIS-catcher/securi… | x_refsource_CONFIRM |
| https://github.com/jvde-github/AIS-catcher/commit… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| jvde-github | AIS-catcher |
Affected:
< 0.64
|
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CVE-2025-65092 (GCVE-0-2025-65092)
Vulnerability from cvelistv5 – Published: 2025-11-21 21:33 – Updated: 2025-11-21 21:56
VLAI
EPSS
VEX
Title
ESP32-P4 JPEG Decoder Header Parsing Vulnerability
Summary
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.5.1, 5.4.3, and 5.3.4, when the ESP32-P4 uses its hardware JPEG decoder, the software parser lacks necessary validation checks. A specially crafted (malicious) JPEG image could exploit the parsing routine and trigger an out-of-bounds array access. This issue has been fixed in versions 5.5.2, 5.4.4, and 5.3.5. At time of publication versions 5.5.2, 5.4.4, and 5.3.5 have not been released but are fixed respectively in commits 4b8f585, c79cb4d, and 34e2726.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-21 21:56 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/espressif/esp-idf/security/adv… | x_refsource_CONFIRM |
| https://github.com/espressif/esp-idf/commit/34e27… | x_refsource_MISC |
| https://github.com/espressif/esp-idf/commit/4b8f5… | x_refsource_MISC |
| https://github.com/espressif/esp-idf/commit/c38a6… | x_refsource_MISC |
| https://github.com/espressif/esp-idf/commit/c79cb… | x_refsource_MISC |
Impacted products
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.