CVE-2011-1156
HIGH7.5EPSS 2.4%feedparser denial of service vulnerability
Published: 7/23/2018Modified: 4/28/2026
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.
Affected packages (3)
- Debian/feedparserfrom 0, < 5.0.1-1
- PyPI/feedparser>= 4.1, < 5.0.1
- PyPI/feedparserfrom 0, < 5.0.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (17)
- ADVISORYhttp://secunia.com/advisories/43730
- ADVISORYhttp://secunia.com/advisories/44074
- ADVISORYhttps://github.com/advisories/GHSA-6h52-4vmh-8x4f
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2011-1156
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2011-1156
- ADVISORYhttp://www.mandriva.com/security/advisories?name=MDVSA-2011:082
- WEBhttp://lists.opensuse.org/opensuse-updates/2011-04/msg00026.html
- WEBhttp://openwall.com/lists/oss-security/2011/03/14/18
- WEBhttp://openwall.com/lists/oss-security/2011/03/15/11
- WEBhttps://bugzilla.novell.com/show_bug.cgi?id=680074
- WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=684877
- WEBhttps://code.google.com/p/feedparser/issues/detail?id=91
- WEBhttps://github.com/pypa/advisory-database/tree/main/vulns/feedparser/PYSEC-2011-19.yaml
- WEBhttp://support.novell.com/security/cve/CVE-2011-1156.html
- WEBhttps://web.archive.org/web/20150523054015/http://www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2011:082/?name=MDVSA-2011:082
- WEBhttps://web.archive.org/web/20210121212051/https://www.securityfocus.com/bid/46867
- WEBhttp://www.securityfocus.com/bid/46867