{"id":"UBUNTU-CVE-2015-4487","details":"The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, related to an \"overflow.\"","modified":"2026-01-30T01:35:21.381875Z","published":"2015-08-11T00:00:00Z","related":["USN-2702-1","USN-2712-1"],"upstream":["CVE-2015-4487"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-4487"},{"type":"REPORT","url":"https://www.mozilla.org/en-US/security/advisories/mfsa2015-90/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2702-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2712-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-4487"}],"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":{"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"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-4487.json"}},{"package":{"name":"thunderbird","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/thunderbird@1:38.2.0+build1-0ubuntu0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:38.2.0+build1-0ubuntu0.14.04.1"}]}],"versions":["1:24.0+build1-0ubuntu1","1:24.0+build1-0ubuntu2","1:24.1.1+build1-0ubuntu0.13.10.1","1:24.1.1+build1-0ubuntu1","1:24.2.0+build1-0ubuntu1","1:24.4.0+build1-0ubuntu1","1:24.5.0+build1-0ubuntu0.14.04.1","1:24.6.0+build1-0ubuntu0.14.04.1","1:31.0+build1-0ubuntu0.14.04.1","1:31.1.1+build1-0ubuntu0.14.04.1","1:31.1.2+build1-0ubuntu0.14.04.1","1:31.2.0+build2-0ubuntu0.14.04.1","1:31.3.0+build1-0ubuntu0.14.04.1","1:31.4.0+build1-0ubuntu0.14.04.1","1:31.5.0+build1-0ubuntu0.14.04.1","1:31.6.0+build1-0ubuntu0.14.04.1","1:31.7.0+build1-0ubuntu0.14.04.1","1:31.8.0+build1-0ubuntu0.14.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"thunderbird","binary_version":"1:38.2.0+build1-0ubuntu0.14.04.1"},{"binary_name":"thunderbird-dev","binary_version":"1:38.2.0+build1-0ubuntu0.14.04.1"},{"binary_name":"thunderbird-globalmenu","binary_version":"1:38.2.0+build1-0ubuntu0.14.04.1"},{"binary_name":"thunderbird-gnome-support","binary_version":"1:38.2.0+build1-0ubuntu0.14.04.1"},{"binary_name":"thunderbird-mozsymbols","binary_version":"1:38.2.0+build1-0ubuntu0.14.04.1"},{"binary_name":"thunderbird-testsuite","binary_version":"1:38.2.0+build1-0ubuntu0.14.04.1"},{"binary_name":"xul-ext-calendar-timezones","binary_version":"1:38.2.0+build1-0ubuntu0.14.04.1"},{"binary_name":"xul-ext-gdata-provider","binary_version":"1:38.2.0+build1-0ubuntu0.14.04.1"},{"binary_name":"xul-ext-lightning","binary_version":"1:38.2.0+build1-0ubuntu0.14.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-4487.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}