{"id":"CVE-2012-2921","aliases":["DEBIAN-CVE-2012-2921","EUVD-2012-0008","GHSA-hjf3-r7gw-9rwg","PYSEC-2012-14"],"status":"published","title":"feedparser denial of service vulnerability","description":"Universal Feed Parser (aka feedparser or python-feedparser) before 5.1.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML ENTITY declaration in a non-ASCII encoded document.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02744,"percentile":0.86282,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399","CWE-611"],"published":"2012-05-21T22:00:00Z","modified":"2026-10-23T17:47:42Z","fixes":[{"ecosystem":"PyPI","package":"feedparser","fixed_in":["5.1.2"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"feedparser","fixed_in":["5.1.2-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"feedparser","fixed_in":["5.1.2-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"feedparser","fixed_in":["5.1.2-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"feedparser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.2"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"feedparser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.2-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"feedparser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.2-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"feedparser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.2-1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"feedparser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.2"}]}],"versions":["4.1","5.0","5.0.1","5.1","5.1.1"]},{"source":"osv","ecosystem":"PyPI","package":"feedparser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.2"}]}],"versions":["4.1","5.0","5.0.1","5.1","5.1.1"]}],"products":[{"vendor":"mark_pilgrim","product":"feedparser"}],"references":[{"url":"http://osvdb.org/81701","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"https://code.google.com/p/feedparser/source/browse/trunk/NEWS?spec=svn706\u0026r=706","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0157","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://code.google.com/p/feedparser/source/detail?r=703\u0026path=/trunk/feedparser/feedparser.py","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/53654","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:118","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://freecode.com/projects/feedparser/releases/344371","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://secunia.com/advisories/49256","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2921","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hjf3-r7gw-9rwg","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/feedparser/PYSEC-2012-14.yaml","tags":["web"]},{"url":"https://web.archive.org/web/20120604210617/http://www.securityfocus.com/bid/53654","tags":["web"]},{"url":"https://web.archive.org/web/20150523060531/http://www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2013:118/?name=MDVSA-2013:118","tags":["web"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-2921","tags":["advisory"]},{"url":"https://github.com/kurtmckee/feedparser","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2012-2921","description":"Universal Feed Parser (aka feedparser or python-feedparser) before 5.1.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML ENTITY declaration in a non-ASCII encoded document.","status":"published","published":"2012-05-21T22:00:00Z","modified":"2024-08-06T19:50:04.15Z","updated_at":"2026-11-02T14:34:49.937255Z"}],"euvd":[{"id":"EUVD-2012-0008","description":"Universal Feed Parser (aka feedparser or python-feedparser) before 5.1.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML ENTITY declaration in a non-ASCII encoded document.","status":"published","published":"2012-05-21T22:00:00Z","modified":"2024-08-06T19:50:04Z","updated_at":"2026-11-03T01:56:12.847129Z"}],"ghsa":[{"id":"GHSA-hjf3-r7gw-9rwg","title":"feedparser denial of service vulnerability","description":"Universal Feed Parser (aka feedparser or python-feedparser) before 5.1.2 allows remote attackers to cause a denial of service (memory consumption) via 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document.","status":"published","published":"2012-05-21T22:55:01.303Z","modified":"2026-06-16T23:42:21.42Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:14.336529Z"}],"osv":[{"id":"GHSA-hjf3-r7gw-9rwg","title":"feedparser denial of service vulnerability","description":"Universal Feed Parser (aka feedparser or python-feedparser) before 5.1.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML ENTITY declaration in a non-ASCII encoded document.","status":"published","published":"2018-07-24T20:00:41Z","modified":"2024-09-20T17:38:19.130098Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"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","level":"high"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T15:46:49.28217Z"},{"id":"CVE-2012-2921","description":"Universal Feed Parser (aka feedparser or python-feedparser) before 5.1.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML ENTITY declaration in a non-ASCII encoded document.","status":"published","published":"2012-05-21T22:55:01Z","modified":"2026-04-10T03:44:16.994285Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-2921","description":"Universal Feed Parser (aka feedparser or python-feedparser) before 5.1.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML ENTITY declaration in a non-ASCII encoded document.","status":"published","published":"2012-05-21T22:55:01.303Z","modified":"2026-10-23T17:47:42.356184324Z","updated_at":"2026-11-02T15:45:24.92418Z"},{"id":"PYSEC-2012-14","description":"Universal Feed Parser (aka feedparser or python-feedparser) before 5.1.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML ENTITY declaration in a non-ASCII encoded document.","status":"published","published":"2012-05-21T22:55:00Z","modified":"2023-11-08T03:57:05.735995Z","updated_at":"2026-11-02T15:52:51.254177Z"}]}}