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  5. CVE-2011-1156

CVE-2011-1156: feedparser denial of service vulnerability

July 23, 2018 (updated September 20, 2024)

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.

References

  • bugzilla.novell.com/show_bug.cgi?id=680074
  • bugzilla.redhat.com/show_bug.cgi?id=684877
  • code.google.com/p/feedparser/issues/detail?id=91
  • github.com/advisories/GHSA-6h52-4vmh-8x4f
  • github.com/pypa/advisory-database/tree/main/vulns/feedparser/PYSEC-2011-19.yaml
  • nvd.nist.gov/vuln/detail/CVE-2011-1156
  • web.archive.org/web/20150523054015/http://www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2011:082/?name=MDVSA-2011:082
  • web.archive.org/web/20210121212051/https://www.securityfocus.com/bid/46867

Code Behaviors & Features

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Affected versions

All versions starting from 4.1 before 5.0.1

Fixed versions

  • 5.0.1

Solution

Upgrade to version 5.0.1 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-20: Improper Input Validation

Source file

pypi/feedparser/CVE-2011-1156.yml

Spotted a mistake? Edit the file on GitLab.

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