feedparser denial of service vulnerability
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | feedparser | >= 4.1, < 5.0.1 | 5.0.1 |
References
- http://openwall.com/lists/oss-security/2011/03/15/11
- https://bugzilla.novell.com/show_bug.cgi?id=680074
- https://code.google.com/p/feedparser/issues/detail?id=91
- http://support.novell.com/security/cve/CVE-2011-1156.html
- http://secunia.com/advisories/44074
- https://bugzilla.redhat.com/show_bug.cgi?id=684877
- http://lists.opensuse.org/opensuse-updates/2011-04/msg00026.html
- http://openwall.com/lists/oss-security/2011/03/14/18
- http://secunia.com/advisories/43730
- http://www.securityfocus.com/bid/46867
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:082
- https://github.com/advisories/GHSA-6h52-4vmh-8x4f
- https://nvd.nist.gov/vuln/detail/CVE-2011-1156
- 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
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-20- Platform
- Python (PyPI)
- Package
feedparser- Disclosed
- 11.04.2011
- Updated
- 11.10.2026 11:20
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2011-19 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-6h52-4vmh-8x4f - CC BY 4.0
Vulnerability history: feedparser
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 5
- First → latest
- 04.2011 05.2012
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 2
- Medium 3
Disclosures per year
- 2017: 0
- 2018: 0
- 2019: 0
- 2020: 0
- 2021: 0
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
earlier: 5
-
feedparser denial of service vulnerability this entry
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