{"id":"CVE-2012-1939","aliases":["EUVD-2012-1948","GHSA-g43v-55jg-34cf","RHSA-2012:0710","RHSA-2012:0715"],"status":"published","title":"jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before 10.0.5 does...","description":"jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before 10.0.5 does not properly determine data types, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via crafted JavaScript code.","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":"2026-11-08","score":0.03123,"percentile":0.87934,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2012-06-05T23:00:00Z","modified":"2026-06-28T10:06:12Z","affected":[{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"firefox-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"xulrunner","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"xulrunner-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client_workstation","package":"xulrunner","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client_workstation","package":"xulrunner-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client_workstation","package":"xulrunner-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"firefox-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"xulrunner","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"xulrunner-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"xulrunner-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"firefox-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"xulrunner","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"xulrunner-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"xulrunner-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"firefox-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"xulrunner","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"xulrunner-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"xulrunner-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"firefox-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"xulrunner","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"xulrunner-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"xulrunner-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"firefox-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"xulrunner","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"xulrunner-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"xulrunner-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-1.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"thunderbird","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-2.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"thunderbird-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-2.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:rhel_productivity:5","package":"thunderbird","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-2.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:rhel_productivity:5","package":"thunderbird-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-2.el5_8"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"thunderbird","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-2.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"thunderbird-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-2.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"thunderbird","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-2.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"thunderbird-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-2.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"thunderbird","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-2.el6_2"}]}],"bundled":11},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"thunderbird-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.5-2.el6_2"}]}],"bundled":11}],"products":[{"vendor":"mozilla","product":"firefox"},{"vendor":"mozilla","product":"thunderbird_esr"}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=748613","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:088","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"http://www.debian.org/security/2012/dsa-2499","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://rhn.redhat.com/errata/RHSA-2012-0710.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"http://www.mozilla.org/security/announce/2012/mfsa2012-34.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00012.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://rhn.redhat.com/errata/RHSA-2012-0715.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1939","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-g43v-55jg-34cf"},{"url":"https://access.redhat.com/errata/RHSA-2012:0710","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#critical","tags":["article"]},{"url":"http://www.mozilla.org/security/known-vulnerabilities/firefoxESR.html","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=827829","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=827830","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=827831","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=827832","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=827843","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_0710.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-3101","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-3101","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3101","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-1937","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-1937","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1937","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-1938","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-1938","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1938","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-1939","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-1939","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-1940","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-1940","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1940","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-1941","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-1941","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1941","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-1944","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-1944","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1944","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-1945","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-1945","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1945","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-1946","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-1946","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1946","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-1947","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-1947","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1947","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-3105","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-3105","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3105","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2012:0715","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_0715.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-1939","description":"jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before 10.0.5 does not properly determine data types, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via crafted JavaScript code.","status":"published","published":"2012-06-05T23:00:00Z","modified":"2024-08-06T19:17:27.066Z","updated_at":"2026-11-02T14:34:52.638543Z"}],"euvd":[{"id":"EUVD-2012-1948","description":"jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before 10.0.5 does not properly determine data types, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via crafted JavaScript code.","status":"published","published":"2012-06-05T23:00:00Z","modified":"2024-08-06T19:17:27Z","updated_at":"2026-11-03T01:56:16.423783Z"}],"ghsa":[{"id":"GHSA-g43v-55jg-34cf","title":"jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before 10.0.5 does...","description":"jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before 10.0.5 does not properly determine data types, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via crafted JavaScript code.","status":"published","published":"2022-05-14T04:02:41Z","modified":"2023-02-03T05:01:05Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:52:54.419005Z"}],"nvd":[{"id":"CVE-2012-1939","description":"jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before 10.0.5 does not properly determine data types, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via crafted JavaScript code.","status":"published","published":"2012-06-05T23:55:01.56Z","modified":"2026-06-16T23:40:36.387Z","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-119"],"updated_at":"2026-11-02T14:02:14.336529Z"}],"osv":[{"id":"RHSA-2012:0710","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2024-09-15T19:56:00Z","modified":"2026-06-28T10:06:11Z","updated_at":"2026-11-02T15:53:01.495018Z"},{"id":"RHSA-2012:0715","title":"Red Hat Security Advisory: thunderbird security update","status":"published","published":"2024-09-15T19:56:05Z","modified":"2026-06-28T10:06:12Z","updated_at":"2026-11-02T15:53:01.495018Z"}]}}