Common Weakness Enumeration
CWE-835
AllowedLoop with Unreachable Exit Condition ('Infinite Loop')
Abstraction: Base · Status: Incomplete
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
1193 vulnerabilities reference this CWE, most recent first.
CVE-2024-5569 (GCVE-0-2024-5569)
Vulnerability from cvelistv5 – Published: 2024-07-09 00:00 – Updated: 2025-10-15 12:50
VLAI
EPSS
VEX
Title
Denial of Service via crafted zip file in jaraco/zipp
Summary
A Denial of Service (DoS) vulnerability exists in the jaraco/zipp library, affecting all versions prior to 3.19.1. The vulnerability is triggered when processing a specially crafted zip file that leads to an infinite loop. This issue also impacts the zipfile module of CPython, as features from the third-party zipp library are later merged into CPython, and the affected code is identical in both projects. The infinite loop can be initiated through the use of functions affecting the `Path` module in both zipp and zipfile, such as `joinpath`, the overloaded division operator, and `iterdir`. Although the infinite loop is not resource exhaustive, it prevents the application from responding. The vulnerability was addressed in version 3.19.1 of jaraco/zipp.
Severity
6.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-23 15:09 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| jaraco | jaraco/zipp |
Affected:
unspecified , < 3.19.1
(custom)
|
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CVE-2024-4854 (GCVE-0-2024-4854)
Vulnerability from cvelistv5 – Published: 2024-05-14 00:03 – Updated: 2026-03-27 13:56
VLAI
EPSS
VEX
Title
Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
Summary
MONGO and ZigBee TLV dissector infinite loops in Wireshark 4.2.0 to 4.2.4, 4.0.0 to 4.0.14, and 3.6.0 to 3.6.22 allow denial of service via packet injection or crafted capture file
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-12 14:25 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wireshark Foundation | Wireshark |
Affected:
4.2.0 , < 4.2.5
(semver)
Affected: 4.0.0 , < 4.0.15 (semver) Affected: 3.6.0 , < 3.6.23 (semver) |
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CVE-2024-2397 (GCVE-0-2024-2397)
Vulnerability from cvelistv5 – Published: 2024-04-12 13:22 – Updated: 2025-02-13 17:40
VLAI
EPSS
VEX
Title
infinite loop in the PPP printer of tcpdump
Summary
Due to a bug in packet data buffers management, the PPP printer in tcpdump can enter an infinite loop when reading a crafted DLT_PPP_SERIAL .pcap savefile. This problem does not affect any tcpdump release, but it affected the git master branch from 2023-06-05 to 2024-03-21.
Severity
6.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-31 17:39 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Tcpdump Group | tcpdump |
Affected:
0d4083e , < b9811ef
(git)
|
Date Public
2024-04-12 11:00
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CVE-2024-1931 (GCVE-0-2024-1931)
Vulnerability from cvelistv5 – Published: 2024-03-07 09:17 – Updated: 2025-02-13 17:32
VLAI
EPSS
VEX
Title
Denial of service when trimming EDE text on positive replies
Summary
NLnet Labs Unbound version 1.18.0 up to and including version 1.19.1 contain a vulnerability that can cause denial of service by a certain code path that can lead to an infinite loop. Unbound 1.18.0 introduced a feature that removes EDE records from responses with size higher than the client's advertised buffer size. Before removing all the EDE records however, it would try to see if trimming the extra text fields on those records would result in an acceptable size while still retaining the EDE codes. Due to an unchecked condition, the code that trims the text of the EDE records could loop indefinitely. This happens when Unbound would reply with attached EDE information on a positive reply and the client's buffer size is smaller than the needed space to include EDE records. The vulnerability can only be triggered when the 'ede: yes' option is used; non default configuration. From version 1.19.2 on, the code is fixed to avoid looping indefinitely.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-03-07 18:41 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| NLnet Labs | Unbound |
Affected:
1.18.0 , < 1.19.2
(semver)
|
|
| nlnetlabs | unbound |
Affected:
1.18.0 , < 1.19.2
(custom)
cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:* |
Date Public
2024-03-07 00:00
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CVE-2024-0211 (GCVE-0-2024-0211)
Vulnerability from cvelistv5 – Published: 2024-01-03 07:31 – Updated: 2026-03-27 13:56
VLAI
EPSS
VEX
Title
Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
Summary
DOCSIS dissector crash in Wireshark 4.2.0 allows denial of service via packet injection or crafted capture file
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-08 15:36 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wireshark Foundation | Wireshark |
Affected:
4.2.0 , < 4.2.1
(semver)
|
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CVE-2023-50763 (GCVE-0-2023-50763)
Vulnerability from cvelistv5 – Published: 2024-06-11 11:15 – Updated: 2024-08-02 22:16
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.3), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.3), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.3), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions < V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions < V2.4.8). The web server of affected products, if configured to allow the import of PKCS12 containers, could end up in an infinite loop when processing incomplete certificate chains.
This could allow an authenticated remote attacker to create a denial of service condition by importing specially crafted PKCS12 containers.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-11 13:16 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | SIMATIC CP 1542SP-1 |
Affected:
0 , < V2.3
(custom)
|
|
| Siemens | SIMATIC CP 1542SP-1 IRC |
Affected:
0 , < V2.3
(custom)
|
|
| Siemens | SIMATIC CP 1543SP-1 |
Affected:
0 , < V2.3
(custom)
|
|
| Siemens | SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL |
Affected:
0 , < V2.3
(custom)
|
|
| Siemens | SIPLUS ET 200SP CP 1543SP-1 ISEC |
Affected:
0 , < V2.3
(custom)
|
|
| Siemens | SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL |
Affected:
0 , < V2.3
(custom)
|
|
| Siemens | SIPLUS TIM 1531 IRC |
Affected:
0 , < V2.4.8
(custom)
|
|
| Siemens | TIM 1531 IRC |
Affected:
0 , < V2.4.8
(custom)
|
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CVE-2023-46250 (GCVE-0-2023-46250)
Vulnerability from cvelistv5 – Published: 2023-10-31 15:23 – Updated: 2024-09-05 18:54
VLAI
EPSS
VEX
Title
pypdf possible Infinite Loop when PdfWriter(clone_from) is used with a PDF
Summary
pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions 3.7.0 through 3.16.4 can craft a PDF which leads to an infinite loop. This infinite loop blocks the current process and can utilize a single core of the CPU by 100%. It does not affect memory usage. That is, for example, the case when the pypdf-user manipulates an incoming malicious PDF e.g. by merging it with another PDF or by adding annotations. The issue was fixed in version 3.17.0. As a workaround, apply the patch manually by modifying `pypdf/generic/_data_structures.py`.
Severity
5.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-05 18:52 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/py-pdf/pypdf/security/advisori… | x_refsource_CONFIRM |
| https://github.com/py-pdf/pypdf/pull/2264 | x_refsource_MISC |
| https://github.com/py-pdf/pypdf/commit/9b23ac3c96… | x_refsource_MISC |
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CVE-2023-45233 (GCVE-0-2023-45233)
Vulnerability from cvelistv5 – Published: 2024-01-16 16:13 – Updated: 2025-11-04 18:17
VLAI
EPSS
VEX
Title
Infinite loop in EDK II Network Package
Summary
EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Availability.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-20 05:00 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
7 references
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CVE-2023-45232 (GCVE-0-2023-45232)
Vulnerability from cvelistv5 – Published: 2024-01-16 16:12 – Updated: 2025-11-04 18:17
VLAI
EPSS
VEX
Title
Infinite loop in EDK II Network Package
Summary
EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Availability.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-08 18:43 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
7 references
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CVE-2023-43645 (GCVE-0-2023-43645)
Vulnerability from cvelistv5 – Published: 2023-09-26 20:58 – Updated: 2024-09-23 20:20
VLAI
EPSS
VEX
Title
Denial of service from circular relationship definitions in OpenFGA
Summary
OpenFGA is an authorization/permission engine built for developers and inspired by Google Zanzibar. OpenFGA is vulnerable to a denial of service attack when certain Check calls are executed against authorization models that contain circular relationship definitions. When the call is made, it's possible for the server to exhaust resources and die. Users are advised to upgrade to v1.3.2 and update any offending models. There are no known workarounds for this vulnerability. Note that for models which contained cycles or a relation definition that has the relation itself in its evaluation path, checks and queries that require evaluation will no longer be evaluated on v1.3.2+ and will return errors instead. Users who do not have cyclic models are unaffected.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-23 20:20 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
2 references
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|---|---|
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.