{"id":"CVE-2011-2981","aliases":["DSA-2295-1","DSA-2296-1","DSA-2297-1","EUVD-2011-2949","GHSA-v552-mmfq-rwm8","RHSA-2011:1164"],"status":"published","title":"The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird...","description":"The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly select the context for script to run in, which allows remote attackers to bypass the Same Origin Policy or execute arbitrary JavaScript code with chrome privileges via a crafted web site.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.0226,"percentile":0.83085,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-16"],"published":"2011-08-17T00:00:00Z","modified":"2026-06-28T10:05:07Z","affected":[{"source":"osv","ecosystem":"Debian:6.0","package":"iceape","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.11-7"}]}],"versions":["2.0.11-2","2.0.11-3","2.0.11-4","2.0.11-5","2.0.11-6"],"bundled":6},{"source":"osv","ecosystem":"Debian:6.0","package":"iceweasel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.16-9"}]}],"versions":["3.5.16-4","3.5.16-5","3.5.16-5~bpo50+1","3.5.16-6","3.5.16-6~bpo50+1","3.5.16-7","3.5.16-7~bpo50+1","3.5.16-8","3.5.16-8~bpo50+1"],"bundled":6},{"source":"osv","ecosystem":"Debian:5.0","package":"xulrunner","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.0.19-13"}]}],"versions":["1.9.0.10-1","1.9.0.11-0lenny1","1.9.0.11-1","1.9.0.12-0lenny1","1.9.0.12-1","1.9.0.13-0lenny1","1.9.0.13-1","1.9.0.14-0lenny1","1.9.0.14-1","1.9.0.15-0lenny1","1.9.0.16-1","1.9.0.18-1","1.9.0.19-1","1.9.0.19-11","1.9.0.19-12","1.9.0.19-2","1.9.0.19-3","1.9.0.19-4","1.9.0.19-5","1.9.0.19-6","1.9.0.19-7","1.9.0.19-8","1.9.0.19-9","1.9.0.5-1","1.9.0.6-1","1.9.0.7-0lenny1","1.9.0.7-0lenny2","1.9.0.7-1","1.9.0.8-1","1.9.0.9-0lenny2","1.9.0.9-1"],"bundled":6},{"source":"osv","ecosystem":"Debian:6.0","package":"icedove","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.11-1+squeeze4"}]}],"versions":["3.0.11-1","3.0.11-1+squeeze1","3.0.11-1+squeeze2","3.0.11-1+squeeze3"],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el4"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"firefox-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el4"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el4"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"firefox-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el4"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el4"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"firefox-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el4"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el4"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"firefox-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el4"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client_workstation","package":"xulrunner","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.9.2.20-2.el5"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client_workstation","package":"xulrunner-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.9.2.20-2.el5"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client_workstation","package":"xulrunner-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.9.2.20-2.el5"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el5"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"firefox-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el5"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"xulrunner","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.9.2.20-2.el5"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"xulrunner-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.9.2.20-2.el5"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el5"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"firefox-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el5"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"xulrunner","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.9.2.20-2.el5"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"xulrunner-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.9.2.20-2.el5"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"xulrunner-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.9.2.20-2.el5"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el6_1"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"firefox-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.20-2.el6_1"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"xulrunner","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.9.2.20-2.el6_1"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"xulrunner-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.9.2.20-2.el6_1"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"xulrunner-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.9.2.20-2.el6_1"}]}],"bundled":6}],"products":[{"vendor":"mozilla","product":"firefox"},{"vendor":"mozilla","product":"seamonkey"},{"vendor":"mozilla","product":"thunderbird"}],"references":[{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:127","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"http://www.mozilla.org/security/announce/2011/mfsa2011-30.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.debian.org/security/2011/dsa-2297","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00027.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=650252","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.debian.org/security/2011/dsa-2296","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www.redhat.com/support/errata/RHSA-2011-1164.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Vendor Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14512","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=614151","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.debian.org/security/2011/dsa-2295","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=643450","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2981","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-v552-mmfq-rwm8"},{"url":"https://access.redhat.com/errata/RHSA-2011:1164","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#critical","tags":["article"]},{"url":"http://www.mozilla.org/security/known-vulnerabilities/firefox36.html#firefox3.6.20","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=730518","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=730519","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=730520","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=730521","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=730522","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=730523","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_1164.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-0084","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-0084","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-0084","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-2378","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-2378","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2378","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-2981","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-2981","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-2982","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-2982","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2982","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-2983","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-2983","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2983","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-2984","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-2984","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2984","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2011-2981","description":"The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly select the context for script to run in, which allows remote attackers to bypass the Same Origin Policy or execute arbitrary JavaScript code with chrome privileges via a crafted web site.","status":"published","published":"2011-08-18T18:00:00Z","modified":"2024-08-06T23:22:25.997Z","updated_at":"2026-11-02T14:35:36.603688Z"}],"euvd":[{"id":"EUVD-2011-2949","description":"The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly select the context for script to run in, which allows remote attackers to bypass the Same Origin Policy or execute arbitrary JavaScript code with chrome privileges via a crafted web site.","status":"published","published":"2011-08-18T18:00:00Z","modified":"2024-08-06T23:22:25Z","updated_at":"2026-11-03T01:39:53.544801Z"}],"ghsa":[{"id":"GHSA-v552-mmfq-rwm8","title":"The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird...","description":"The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly select the context for script to run in, which allows remote attackers to bypass the Same Origin Policy or execute arbitrary JavaScript code with chrome privileges via a crafted web site.","status":"published","published":"2022-05-17T01:00:57Z","modified":"2023-02-03T05:03:03Z","updated_at":"2026-11-02T14:53:17.178427Z"}],"nvd":[{"id":"CVE-2011-2981","description":"The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly select the context for script to run in, which allows remote attackers to bypass the Same Origin Policy or execute arbitrary JavaScript code with chrome privileges via a crafted web site.","status":"published","published":"2011-08-18T18:55:01.553Z","modified":"2026-06-16T23:32:21.527Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-16"],"updated_at":"2026-11-02T14:02:09.988332Z"}],"osv":[{"id":"DSA-2295-1","title":"iceape - several","status":"published","published":"2011-08-17T00:00:00Z","modified":"2026-03-09T01:23:13.57801Z","updated_at":"2026-11-02T15:46:15.108335Z"},{"id":"DSA-2296-1","title":"iceweasel - several","status":"published","published":"2011-08-17T00:00:00Z","modified":"2026-03-09T01:17:45.027341Z","updated_at":"2026-11-02T15:46:15.108335Z"},{"id":"DSA-2297-1","title":"icedove - several","status":"published","published":"2011-08-21T00:00:00Z","modified":"2026-03-09T01:23:15.27303Z","updated_at":"2026-11-02T15:46:15.108335Z"},{"id":"RHSA-2011:1164","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2024-09-13T07:07:27Z","modified":"2026-06-28T10:05:07Z","updated_at":"2026-11-02T15:53:01.003286Z"}]}}