Upstream information

CVE-2026-88753 at MITRE

Description

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

SUSE Bugzilla entry: 1285724 [NEW]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • python313-markdown2 >= 2.5.5-2.1
  • python314-markdown2 >= 2.5.5-2.1
 Patchnames:
openSUSE-Tumbleweed-2026-12159

SUSE Timeline for this CVE

CVE page created: Fri Oct 16 11:58:50 2026
CVE page last modified: Sat Oct 17 14:11:45 2026