CVE-2022-41854: Stack Overflow in Snakeyaml

Vulnerability summary

CVE-2022-41854 is a medium (CVSS 6.5) Stack-based Buffer Overflow vulnerability in fedoraproject fedora. EPSS estimates a 1.55% chance of exploitation in the next 30 days, higher than 75.1% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 11-11-2022
   PublishedVulnerability first disclosed.
2. 16-09-2024
   Last modifiedVulnerability information updated.

Description

Those using Snakeyaml to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stack overflow. This effect may support a denial of service attack.

• CWE-121Stack-based Buffer OverflowThe product writes past the end of a buffer that was allocated on the stack.
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.