CVE-2026-88753
CVE-2026-88753
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 7.5 · High · EPSS 0.3%
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
python-markdown2 Debian:12
- Versions
- 2.4.1-1
- 2.4.11-1
- 2.5.3-1~exp1
- 2.5.4-1
- 2.5.4-2
- 2.5.4-3
- 2.5.4-4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python-markdown2 Debian:13
- Versions
- 2.4.11-1
- 2.5.3-1~exp1
- 2.5.4-1
- 2.5.4-2
- 2.5.4-3
- 2.5.4-4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python-markdown2 Debian:14
- Versions
- 2.4.11-1
- 2.5.3-1~exp1
- 2.5.4-1
- 2.5.4-2
- 2.5.4-3
- 2.5.4-4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python-markdown2 Ubuntu:20.04:LTS
- Versions
- 2.3.7-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python-markdown2 Ubuntu:22.04:LTS
- Versions
- 2.3.10-1.1
- 2.4.1-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python-markdown2 Ubuntu:24.04:LTS
- Versions
- 2.4.1-1
- 2.4.11-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python-markdown2 Ubuntu:26.10
- Versions
- 2.5.4-3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python-markdown2 Ubuntu:26.04:LTS
- Versions
- 2.4.11-1
- 2.5.4-2
- 2.5.4-3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published