CVE-2011-1156
feedparser denial of service vulnerability
7.5
HIGH
CVSS 3.1
EPSS 2.4%
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.
How to fix CVE-2011-1156
To remediate CVE-2011-1156, upgrade the affected package to a fixed version below.
- Debian/feedparser—upgrade to 5.0.1-1 or later
- —upgrade to 5.0.1 or later
- —upgrade to 5.0.1 or later
Is CVE-2011-1156 being exploited?
Low — EPSS is 2.4%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 5.0.1-1
- >= 4.1, < 5.0.1
- from 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 |