{"id":"CVE-2026-88753","title":"A Regular-Expression Denial of Service (ReDoS) in the Markdown2","summary":"A Regular-Expression Denial of Service (ReDoS) in the Markdown2. extract_metadata() function (lib/markdown2.py) of trentm markdown2 through v2.5.5 allows attackers to cause a Denial of Service (DoS) via a crafted Markdown document.","severity":"none","published":"2026-10-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T16:18:22.887","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88753","references":[{"url":"https://gist.github.com/NanaSec/354b4188bbd7f4105008c7b8be49b0ba","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-15T16:13:11.489Z","slug":"CVE-2026-88753","body":"## Overview\n\nA Regular-Expression Denial of Service (ReDoS) in the Markdown2. extract_metadata() function (lib/markdown2.py) of trentm markdown2 through v2.5.5 allows attackers to cause a Denial of Service (DoS) via a crafted Markdown document.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}