{"id":"CVE-2011-1778","aliases":["DEBIAN-CVE-2011-1778","DSA-2413-1","EUVD-2011-1776","GHSA-j8fm-g3qm-7gm3","RHSA-2011:1507"],"status":"published","title":"Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service ...","description":"Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.04199,"percentile":0.91011,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2012-02-20T00:00:00Z","modified":"2026-10-23T17:47:47Z","fixes":[{"ecosystem":"Debian:12","package":"libarchive","fixed_in":["2.8.5-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libarchive","fixed_in":["2.8.5-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libarchive","fixed_in":["2.8.5-5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libarchive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.5-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libarchive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.5-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libarchive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.5-5"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"libarchive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.4-1+squeeze1"}]}],"versions":["2.8.4-1"],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"libarchive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.8.3-3.el6_1"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"libarchive-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.8.3-3.el6_1"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"libarchive-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.8.3-3.el6_1"}]}],"bundled":2}],"products":[{"vendor":"freebsd","product":"libarchive"}],"references":[{"url":"http://secunia.com/advisories/48034","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"https://rhn.redhat.com/errata/RHSA-2011-1507.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=705849","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"http://code.google.com/p/libarchive/source/detail?r=3160","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.debian.org/security/2012/dsa-2413","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://support.apple.com/kb/HT5281","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://lists.apple.com/archives/security-announce/2012/May/msg00001.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1778","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-j8fm-g3qm-7gm3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-1778","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2011:1507","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_1507.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-1777","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-1777","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1777","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-1778","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-1778","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2011-1778","description":"Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.","status":"published","published":"2012-04-13T20:00:00Z","modified":"2024-08-06T22:37:25.831Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1776","description":"Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.","status":"published","published":"2012-04-13T20:00:00Z","modified":"2024-08-06T22:37:25Z","updated_at":"2026-11-03T01:55:55.207376Z"}],"ghsa":[{"id":"GHSA-j8fm-g3qm-7gm3","title":"Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service ...","description":"Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted 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archive.","status":"published","published":"2012-04-13T20:55:01Z","modified":"2026-04-10T03:41:45.448562Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-1778","description":"Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.","status":"published","published":"2012-04-13T20:55:01.353Z","modified":"2026-10-23T17:47:47.717572075Z","updated_at":"2026-11-02T15:45:24.612044Z"},{"id":"DSA-2413-1","title":"libarchive - buffer overflows","status":"published","published":"2012-02-20T00:00:00Z","modified":"2026-03-09T01:20:28.919227Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"RHSA-2011:1507","title":"Red Hat Security Advisory: libarchive security update","status":"published","published":"2024-09-15T19:27:47Z","modified":"2026-06-26T10:17:11Z","updated_at":"2026-11-02T15:53:01.495018Z"}]}}