CVE-2011-1156
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.0
Description
feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) before 5.0.1 allows remote attackers to cause a denial of service (application crash) via a malformed DOCTYPE declaration.
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 | 5.0.1-1 |
| debian | bullseye | fixed | 5.0.1-1 |
| debian | forky | fixed | 5.0.1-1 |
| debian | sid | fixed | 5.0.1-1 |
| debian | trixie | fixed | 5.0.1-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | feedparser | >=4.1,<5.0.1 | 5.0.1 |
| PyPI | feedparser | <5.0.1 | 5.0.1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| mark_pilgrim | feedparser | {"endIncluding":"5.0"} | |
| 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 | |
References
- https://nvd.nist.gov/vuln/detail/CVE-2011-1156
- https://bugzilla.novell.com/show_bug.cgi?id=680074
- https://bugzilla.redhat.com/show_bug.cgi?id=684877
- https://code.google.com/p/feedparser/issues/detail?id=91
- https://github.com/advisories/GHSA-6h52-4vmh-8x4f
- https://github.com/pypa/advisory-database/tree/main/vulns/feedparser/PYSEC-2011-19.yaml
- https://web.archive.org/web/20150523054015/http://www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2011:082/?name=MDVSA-2011:082
- https://web.archive.org/web/20210121212051/https://www.securityfocus.com/bid/46867
- http://lists.opensuse.org/opensuse-updates/2011-04/msg00026.html
- http://openwall.com/lists/oss-security/2011/03/14/18
- http://openwall.com/lists/oss-security/2011/03/15/11
- http://support.novell.com/security/cve/CVE-2011-1156.html
- http://secunia.com/advisories/43730
- http://secunia.com/advisories/44074
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:082
- http://www.securityfocus.com/bid/46867
- https://security-tracker.debian.org/tracker/CVE-2011-1156
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.