Resource exhaustion in Comrak - #VU147260
Published: March 28, 2023 / Updated: September 7, 2026
Vulnerability identifier: #VU147260
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to excessive output generation in the Markdown parser when parsing Markdown input. A remote attacker can supply crafted Markdown input to cause a denial of service.
Affected software
Comrak
Remediation
Install security update from vendor's website.
Comrak - update to 0.17.0