CVE-2023-22484
published 2023-01-23CVE-2023-22484: cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 are subject to a polynomial…
PriorityP337high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.96%
57.0th percentile
cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 are subject to a polynomial time complexity issue in cmark-gfm that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has been patched in 0.29.0.gfm.7.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | cmark-gfm | < cmark-gfm 0.29.0.gfm.13-1 (forky) | cmark-gfm 0.29.0.gfm.13-1 (forky) |
| debian | python-cmarkgfm | < cmark-gfm 0.29.0.gfm.13-1 (forky) | cmark-gfm 0.29.0.gfm.13-1 (forky) |
| debian | r-cran-commonmark | < cmark-gfm 0.29.0.gfm.13-1 (forky) | cmark-gfm 0.29.0.gfm.13-1 (forky) |
| debian | ruby-commonmarker | < cmark-gfm 0.29.0.gfm.13-1 (forky) | cmark-gfm 0.29.0.gfm.13-1 (forky) |
| github | cmark-gfm | < 0.29.0.gfm.7 | 0.29.0.gfm.7 |
| github | cmark-gfm | >= 0 < 0.29.0.gfm.13-1 | 0.29.0.gfm.13-1 |
| github | cmark-gfm | >= 0 < 0.29.0.gfm.13-1 | 0.29.0.gfm.13-1 |
| github | cmark-gfm | >= 0 < 0.29.0.gfm.0-4ubuntu0.1~esm1 | 0.29.0.gfm.0-4ubuntu0.1~esm1 |
| github | cmark-gfm | >= 0 < 0.29.0.gfm.3-3ubuntu0.1~esm1 | 0.29.0.gfm.3-3ubuntu0.1~esm1 |
| github | cmark-gfm | >= 0 < 0.29.0.gfm.6-6ubuntu0.24.04.1~esm1 | 0.29.0.gfm.6-6ubuntu0.24.04.1~esm1 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
ghsa7.5HIGH
osv7.5HIGH
vendor_ubuntu7.5HIGH
vendor_debian3.5LOW
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OSV
cmark-gfm vulnerabilities
osv·2025-03-03·CVSS 6.5
CVE-2022-39209 [MEDIUM] cmark-gfm vulnerabilities
cmark-gfm vulnerabilities
It was discovered that cmark-gfm's autolink extension did not correctly
handle parsing large inputs. An attacker could possibly use this issue
to cause a denial of service. This issue only affected Ubuntu 20.04 LTS
and Ubuntu 22.04 LTS. (CVE-2022-39209)
It was discovered that cmark-gfm did not correctly handle parsing large
inputs. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and
Ubuntu 24.10. (CVE-2023-22483)
It was discovered that cmark-gfm did not correctly handle parsing large
inputs. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 24.10.
(CVE-2023-22484)
It was discovered that cmark-gfm did not
OSV
Several quadratic complexity bugs may lead to denial of service in Commonmarker
osv·2023-01-24·CVSS 7.5
CVE-2023-22483 [HIGH] Several quadratic complexity bugs may lead to denial of service in Commonmarker
Several quadratic complexity bugs may lead to denial of service in Commonmarker
## Impact
Several quadratic complexity bugs in commonmarker's underlying [`cmark-gfm`](https://github.com/github/cmark-gfm) library may lead to unbounded resource exhaustion and subsequent denial of service.
The following vulnerabilities were addressed:
* [CVE-2023-22483](https://github.com/github/cmark-gfm/security/advisories/GHSA-29g3-96g3-jg6c)
* [CVE-2023-22484](https://github.com/github/cmark-gfm/security/advisories/GHSA-24f7-9frr-5h2r)
* [CVE-2023-22485](https://github.com/github/cmark-gfm/security/advisories/GHSA-c944-cv5f-hpvr)
* [CVE-2023-22486](https://github.com/github/cmark-gfm/security/advisories/GHSA-r572-jvj2-3m8p)
For more information, consult the release notes for version [`0.23.0.gfm.7`](
GHSA
Several quadratic complexity bugs may lead to denial of service in Commonmarker
ghsa·2023-01-24·CVSS 7.5
CVE-2023-22483 [HIGH] CWE-400 Several quadratic complexity bugs may lead to denial of service in Commonmarker
Several quadratic complexity bugs may lead to denial of service in Commonmarker
## Impact
Several quadratic complexity bugs in commonmarker's underlying [`cmark-gfm`](https://github.com/github/cmark-gfm) library may lead to unbounded resource exhaustion and subsequent denial of service.
The following vulnerabilities were addressed:
* [CVE-2023-22483](https://github.com/github/cmark-gfm/security/advisories/GHSA-29g3-96g3-jg6c)
* [CVE-2023-22484](https://github.com/github/cmark-gfm/security/advisories/GHSA-24f7-9frr-5h2r)
* [CVE-2023-22485](https://github.com/github/cmark-gfm/security/advisories/GHSA-c944-cv5f-hpvr)
* [CVE-2023-22486](https://github.com/github/cmark-gfm/security/advisories/GHSA-r572-jvj2-3m8p)
For more information, consult the release notes for version [`0.23.0.gfm.7`](
OSV
CVE-2023-22484: cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C
osv·2023-01-23·CVSS 7.5
CVE-2023-22484 [HIGH] CVE-2023-22484: cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C
cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 are subject to a polynomial time complexity issue in cmark-gfm that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has been patched in 0.29.0.gfm.7.
Ubuntu
cmark-gfm vulnerabilities
vendor_ubuntu·2025-03-03·CVSS 7.5
CVE-2023-22484 [HIGH] cmark-gfm vulnerabilities
Title: cmark-gfm vulnerabilities
Summary: Several security issues were fixed in cmark-gfm.
It was discovered that cmark-gfm's autolink extension did not correctly
handle parsing large inputs. An attacker could possibly use this issue
to cause a denial of service. This issue only affected Ubuntu 20.04 LTS
and Ubuntu 22.04 LTS. (CVE-2022-39209)
It was discovered that cmark-gfm did not correctly handle parsing large
inputs. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and
Ubuntu 24.10. (CVE-2023-22483)
It was discovered that cmark-gfm did not correctly handle parsing large
inputs. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 24.04 LTS and Ubuntu
Debian
CVE-2023-22484: cmark-gfm - cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library ...
vendor_debian·2023·CVSS 3.5
CVE-2023-22484 [LOW] CVE-2023-22484: cmark-gfm - cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library ...
cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 are subject to a polynomial time complexity issue in cmark-gfm that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has been patched in 0.29.0.gfm.7.
Scope: local
bookworm: open
bullseye: open
forky: resolved (fixed in 0.29.0.gfm.13-1)
sid: resolved (fixed in 0.29.0.gfm.13-1)
trixie: resolved (fixed in 0.29.0.gfm.13-1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2023-01-23
Published