{"id":"UBUNTU-CVE-2015-4484","details":"The js::jit::AssemblerX86Shared::lock_addl function in the JavaScript implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to cause a denial of service (application crash) by leveraging the use of shared memory and accessing (1) an Atomics object or (2) a SharedArrayBuffer object.","modified":"2026-01-30T02:28:15.792340Z","published":"2015-08-11T00:00:00Z","related":["USN-2702-1"],"upstream":["CVE-2015-4484"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-4484"},{"type":"REPORT","url":"https://www.mozilla.org/en-US/security/advisories/mfsa2015-87/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2702-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-4484"}],"affected":[{"package":{"name":"firefox","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/firefox@40.0+build4-0ubuntu0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"40.0+build4-0ubuntu0.14.04.1"}]}],"versions":["24.0+build1-0ubuntu1","25.0+build3-0ubuntu0.13.10.1","28.0~b2+build1-0ubuntu2","28.0+build1-0ubuntu1","28.0+build2-0ubuntu1","28.0+build2-0ubuntu2","29.0+build1-0ubuntu0.14.04.2","30.0+build1-0ubuntu0.14.04.3","31.0+build1-0ubuntu0.14.04.1","32.0+build1-0ubuntu0.14.04.1","32.0.3+build1-0ubuntu0.14.04.1","33.0+build2-0ubuntu0.14.04.1","34.0+build2-0ubuntu0.14.04.1","35.0+build3-0ubuntu0.14.04.2","35.0.1+build1-0ubuntu0.14.04.1","36.0+build2-0ubuntu0.14.04.4","36.0.1+build2-0ubuntu0.14.04.1","36.0.4+build1-0ubuntu0.14.04.1","37.0+build2-0ubuntu0.14.04.1","37.0.1+build1-0ubuntu0.14.04.1","37.0.2+build1-0ubuntu0.14.04.1","38.0+build3-0ubuntu0.14.04.1","39.0+build5-0ubuntu0.14.04.1","39.0.3+build2-0ubuntu0.14.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"firefox","binary_version":"40.0+build4-0ubuntu0.14.04.1"},{"binary_name":"firefox-dev","binary_version":"40.0+build4-0ubuntu0.14.04.1"},{"binary_name":"firefox-globalmenu","binary_version":"40.0+build4-0ubuntu0.14.04.1"},{"binary_name":"firefox-mozsymbols","binary_version":"40.0+build4-0ubuntu0.14.04.1"},{"binary_name":"firefox-testsuite","binary_version":"40.0+build4-0ubuntu0.14.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-4484.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}