CVE-2012-2921
medium
CVSS v3
—
CVSS v4 NEW
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VIR risk
5.0
Description
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.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 5.1.2-1 |
| debian | bullseye | fixed | 5.1.2-1 |
| debian | forky | fixed | 5.1.2-1 |
| debian | sid | fixed | 5.1.2-1 |
| debian | trixie | fixed | 5.1.2-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | feedparser | <5.1.2 | 5.1.2 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| mark_pilgrim | feedparser | {"endIncluding":"5.1.1"} | |
| mark_pilgrim | feedparser | 3.0 | |
| mark_pilgrim | feedparser | 3.0.1 | |
| mark_pilgrim | feedparser | 3.1 | |
| mark_pilgrim | feedparser | 3.2 | |
| mark_pilgrim | feedparser | 3.3 | |
| mark_pilgrim | feedparser | 4.0 | |
| mark_pilgrim | feedparser | 4.0.1 | |
| mark_pilgrim | feedparser | 4.0.2 | |
| mark_pilgrim | feedparser | 4.1 | |
| mark_pilgrim | feedparser | 5.0 | |
| mark_pilgrim | feedparser | 5.0.1 | |
| mark_pilgrim | feedparser | 5.1 | |
| mark_pilgrim | feedparser | 5.1.2 | |
References
- http://freecode.com/projects/feedparser/releases/344371
- http://osvdb.org/81701
- http://secunia.com/advisories/49256
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:118
- http://www.securityfocus.com/bid/53654
- https://code.google.com/p/feedparser/source/browse/trunk/NEWS?spec=svn706&r=706
- https://code.google.com/p/feedparser/source/detail?r=703&path=/trunk/feedparser/feedparser.py
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0157
- https://nvd.nist.gov/vuln/detail/CVE-2012-2921
- https://github.com/advisories/GHSA-hjf3-r7gw-9rwg
- https://github.com/kurtmckee/feedparser
- https://github.com/pypa/advisory-database/tree/main/vulns/feedparser/PYSEC-2012-14.yaml
- https://web.archive.org/web/20120604210617/http://www.securityfocus.com/bid/53654
- https://web.archive.org/web/20150523060531/http://www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2013:118/?name=MDVSA-2013:118
- https://security-tracker.debian.org/tracker/CVE-2012-2921
CWEs
CWE-399
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.