CVE catalog

CVE-2012-2921

feedparser: CVE-2012-2921

Severity: Medium
Published: May 21, 2012, 10:55:01 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.74% · Oct 25, 2026

Universal Feed Parser (aka feedparser or python-feedparser) before 5.1.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML ENTITY declaration in a non-ASCII encoded document.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	feedparser	sid	`6.0.12-1`	fixed
Debian	feedparser	forky	`6.0.12-1`	fixed
Debian	feedparser	trixie	`6.0.11-2`	fixed
Debian	feedparser	bookworm	`6.0.10-1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	feedparser	source	sid	`5.1.2-1`	low	Not reported	[674167]
Debian	feedparser	source	forky	`5.1.2-1`	low	Not reported	[674167]
Debian	feedparser	source	trixie	`5.1.2-1`	low	Not reported	[674167]
Debian	feedparser	source	bookworm	`5.1.2-1`	low	Not reported	[674167]

[Debian bug #674167]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[python3-feedparser]Fixed
Source package: [feedparser]
Details (2)
- 6.0.10-1 · all · bookworm
  Fixed · Fixed: 5.1.2-1
  dsa · feedparser · debian · bookworm; dsa · feedparser · debian · 12
- 6.0.10-1 · all · bookworm
  Fixed · Fixed: 5.1.2-1
  dsa · feedparser · debian · bookworm; dsa · feedparser · debian · 12

[Debian 13 (Trixie)]

[python3-feedparser]Fixed
Source package: [feedparser]
Details (2)
- 6.0.11-2 · all · trixie
  Fixed · Fixed: 5.1.2-1
  dsa · feedparser · debian · 13
- 6.0.11-2 · all · trixie
  Fixed · Fixed: 5.1.2-1
  dsa · feedparser · debian · 13

Observed: Oct 23, 2026, 5:06:16 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]