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.
1140 vulnerabilities reference this CWE, most recent first.
CVE-2026-42781 (GCVE-0-2026-42781)
Vulnerability from cvelistv5 – Published: 2026-05-13 14:12 – Updated: 2026-05-13 16:15
VLAI
EPSS
VEX
Title
BIG-IP FastL4 virtual server vulnerability
Summary
When embedded Packet Velocity Acceleration (ePVA) acceleration is configured, undisclosed local ethernet traffic can cause an increase in ePVA and Traffic Management Microkernel (TMM) resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 15:59 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://my.f5.com/manage/s/article/K000160862 | vendor-advisorypatch |
Impacted products
Date Public
2026-05-13 14:00
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CVE-2026-42310 (GCVE-0-2026-42310)
Vulnerability from cvelistv5 – Published: 2026-05-09 04:10 – Updated: 2026-05-12 18:31
VLAI
EPSS
VEX
Title
Pillow: PDF Parsing Trailer Infinite Loop (DoS)
Summary
Pillow is a Python imaging library. From version 4.2.0 to before version 12.2.0, an attacker can supply a malicious PDF that causes the process to hang indefinitely, consuming 100% CPU and making the application unresponsive. This issue has been patched in version 12.2.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-12 13:33 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/python-pillow/Pillow/security/… | x_refsource_CONFIRM |
| https://github.com/python-pillow/Pillow/pull/9519 | x_refsource_MISC |
| https://github.com/python-pillow/Pillow/commit/3b… | x_refsource_MISC |
| https://github.com/python-pillow/Pillow/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| python-pillow | Pillow |
Affected:
>= 4.2.0, < 12.2.0
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CVE-2026-41680 (GCVE-0-2026-41680)
Vulnerability from cvelistv5 – Published: 2026-04-24 17:26 – Updated: 2026-04-24 19:08
VLAI
EPSS
VEX
Title
Marked: OOM Denial of Service via Infinite Recursion in marked Tokenizer
Summary
Marked is a markdown parser and compiler. From 18.0.0 to 18.0.1, a critical Denial of Service (DoS) vulnerability exists in marked. By providing a specific 3-byte input sequence a tab, a vertical tab, and a newline (\x09\x0b\n)—an unauthenticated attacker can trigger an infinite recursion loop during parsing. This leads to unbounded memory allocation, causing the host Node.js application to crash via Memory Exhaustion (OOM). This vulnerability is fixed in 18.0.2.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-24 19:07 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/markedjs/marked/security/advis… | x_refsource_CONFIRM |
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CVE-2026-41511 (GCVE-0-2026-41511)
Vulnerability from cvelistv5 – Published: 2026-05-08 18:52 – Updated: 2026-05-11 18:45
VLAI
EPSS
VEX
Title
OpenMcdf has an Infinite loop DoS via crafted CFB directory cycle
Summary
OpenMcdf is a fully .NET / C# library to manipulate Compound File Binary File Format files, also known as Structured Storage. Prior to version 3.1.3, OpenMcdf does not detect cycles in the directory entry red-black tree of a Compound File Binary (CFB) document. A crafted CFB file with a cycle in the LeftSiblingID / RightSiblingID chain causes Storage.EnumerateEntries() and Storage.OpenStream() to loop indefinitely, consuming the calling thread with no possibility of recovery via try/catch. This issue has been patched in version 3.1.3.
Severity
6.2 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-11 18:45 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openmcdf/openmcdf/security/adv… | x_refsource_CONFIRM |
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CVE-2026-41150 (GCVE-0-2026-41150)
Vulnerability from cvelistv5 – Published: 2026-05-29 13:54 – Updated: 2026-05-29 16:17
VLAI
EPSS
VEX
Title
Mermaid Gantt Charts are vulnerable to an Infinite Loop DoS
Summary
Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Prior to 10.9.6 and 11.15.0, there is a denial-of-service attack when rendering gantt charts, if they use the excludes attribute to exclude all dates. mermaid.parse is unaffected, unless you then call the ganttDb.getTasks() (which is called when rendering a diagram). This vulnerability is fixed in 10.9.6 and 11.15.0.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-29 16:16 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/mermaid-js/mermaid/security/ad… | x_refsource_CONFIRM |
| https://github.com/mermaid-js/mermaid/commit/a59e… | x_refsource_MISC |
| https://github.com/mermaid-js/mermaid/commit/faaf… | x_refsource_MISC |
| https://github.com/mermaid-js/mermaid/releases/ta… | x_refsource_MISC |
| https://github.com/mermaid-js/mermaid/releases/ta… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| mermaid-js | mermaid |
Affected:
>= 11.0.0-alpha.1, < 11.15.0
Affected: < 10.9.6 |
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CVE-2026-41146 (GCVE-0-2026-41146)
Vulnerability from cvelistv5 – Published: 2026-04-22 01:07 – Updated: 2026-04-22 13:09
VLAI
EPSS
VEX
Title
facil.io and downstream iodine ruby gem vulnerable to uncontrolled resource consumption and loop with unreachable exit condition
Summary
facil.io is a C micro-framework for web applications. Prior to commit 5128747363055201d3ecf0e29bf0a961703c9fa0, `fio_json_parse` can enter an infinite loop when it encounters a nested JSON value starting with `i` or `I`. The process spins in user space and pegs one CPU core at ~100% instead of returning a parse error. Because `iodine` vendors the same parser code, the issue also affects `iodine` when it parses attacker-controlled JSON. The smallest reproducer I found is `[i`. The quoted-value form that originally exposed the issue, `[""i`, reaches the same bug because the parser tolerates missing commas and then treats the trailing `i` as the start of another value. Commit 5128747363055201d3ecf0e29bf0a961703c9fa0 fixes the issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 13:09 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/boazsegev/facil.io/security/ad… | x_refsource_CONFIRM |
| https://github.com/boazsegev/facil.io/commit/5128… | x_refsource_MISC |
Impacted products
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CVE-2026-39934 (GCVE-0-2026-39934)
Vulnerability from cvelistv5 – Published: 2026-04-07 22:00 – Updated: 2026-04-08 22:04
VLAI
EPSS
VEX
Title
Growth Experiments ReassignMenteesJob runs as an infinite loop
Summary
Loop with unreachable exit condition ('infinite loop') vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments Extension allows Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions. This issue was remediated only on the `master` branch.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-08 15:20 UTC
CWE
- CWE-835 - Loop with unreachable exit condition ('infinite loop')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Wikimedia Foundation | Mediawiki - GrowthExperiments Extension |
Affected:
1.45
Affected: 1.44 Affected: 1.43 Affected: 0 , < 1.43 (custom) |
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CVE-2026-39806 (GCVE-0-2026-39806)
Vulnerability from cvelistv5 – Published: 2026-05-13 13:36 – Updated: 2026-05-27 15:41
VLAI
EPSS
VEX
Title
HTTP/1 chunked decoder infinite loop on requests with trailer fields in bandit
Summary
Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in mtrudel bandit allows unauthenticated remote denial of service via worker process exhaustion.
'Elixir.Bandit.HTTP1.Socket':do_read_chunked_data!/5 in lib/bandit/http1/socket.ex terminates only when the last-chunk line 0\r\n is followed immediately by the empty trailer line \r\n. RFC 9112 §7.1.2 permits zero or more trailer fields between them. When trailers are present, none of the match clauses fit: the catch-all arm computes a negative to_read, calls read_available!/2, receives <<>> on timeout, and tail-recurses with unchanged state. The worker process is pinned for the lifetime of the TCP connection.
A handful of concurrent connections sending RFC-conformant chunked requests with trailer fields is sufficient to exhaust the Bandit worker pool and render the server unresponsive to all further traffic. No authentication, special headers, or large payload is required. Proxies such as NGINX and HAProxy legitimately forward trailer-bearing requests, so servers behind such proxies may be affected without any malicious client involvement.
This issue affects bandit: from 1.6.1 before 1.11.1.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 14:36 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/mtrudel/bandit/security/adviso… | vendor-advisoryrelated |
| https://cna.erlef.org/cves/CVE-2026-39806.html | related |
| https://osv.dev/vulnerability/EEF-CVE-2026-39806 | related |
| https://github.com/mtrudel/bandit/commit/ae3520df… | patch |
Impacted products
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CVE-2026-34962 (GCVE-0-2026-34962)
Vulnerability from cvelistv5 – Published: 2026-05-11 21:58 – Updated: 2026-07-18 03:02
VLAI
EPSS
VEX
Title
barebox ext4 Directory Parsing Infinite Loop Denial of Service
Summary
barebox version prior to 2026.04.0 contains a denial-of-service vulnerability in ext4 directory parsing in fs/ext4/ext4_common.c where the ext4fs_iterate_dir() function fails to validate that directory entry length values are non-zero. Attackers can supply a malicious ext4 filesystem image with a crafted directory entry containing a direntlen value of 0 to cause an infinite loop during directory listing or path resolution, resulting in the boot process hanging indefinitely.
Severity
6.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 14:28 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/barebox/barebox | product |
| https://github.com/barebox/barebox/releases/tag/v… | patch |
| https://www.vulncheck.com/advisories/barebox-ext4… | third-party-advisory |
| https://y637f9qq2x.com/posts/barebox-sandbox-vulns/ | technical-description |
Impacted products
Date Public
2026-05-11 00:00
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CVE-2026-34852 (GCVE-0-2026-34852)
Vulnerability from cvelistv5 – Published: 2026-04-13 03:46 – Updated: 2026-04-13 18:06
VLAI
EPSS
VEX
Summary
Stack overflow vulnerability in the media platform.
Impact: Successful exploitation of this vulnerability may affect availability.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-13 17:36 UTC
CWE
- CWE-835 - Loop with unreachable exit condition ('infinite loop')
Assigner
References
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.