{"id":"UBUNTU-CVE-2015-2740","details":"Buffer overflow in the nsXMLHttpRequest::AppendToResponseText function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 might allow remote attackers to cause a denial of service or have unspecified other impact via unknown vectors.","modified":"2026-02-04T03:33:01.399511Z","published":"2015-07-05T00:00:00Z","related":["USN-2656-1","USN-2656-2","USN-2673-1"],"upstream":["CVE-2015-2740"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-2740"},{"type":"REPORT","url":"https://www.mozilla.org/en-US/security/advisories/mfsa2015-66/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1170809"},{"type":"REPORT","url":"http://www.mozilla.org/security/announce/2015/mfsa2015-66.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2656-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2656-2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2673-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-2740"}],"affected":[{"package":{"name":"firefox","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/firefox@39.0+build5-0ubuntu0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"39.0+build5-0ubuntu0.14.04.1"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"39.0+build5-0ubuntu0.14.04.1","binary_name":"firefox"},{"binary_version":"39.0+build5-0ubuntu0.14.04.1","binary_name":"firefox-dev"},{"binary_version":"39.0+build5-0ubuntu0.14.04.1","binary_name":"firefox-globalmenu"},{"binary_version":"39.0+build5-0ubuntu0.14.04.1","binary_name":"firefox-mozsymbols"},{"binary_version":"39.0+build5-0ubuntu0.14.04.1","binary_name":"firefox-testsuite"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-2740.json"}},{"package":{"name":"thunderbird","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/thunderbird@1:31.8.0+build1-0ubuntu0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:31.8.0+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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1:31.8.0+build1-0ubuntu0.14.04.1","binary_name":"thunderbird"},{"binary_version":"1:31.8.0+build1-0ubuntu0.14.04.1","binary_name":"thunderbird-dev"},{"binary_version":"1:31.8.0+build1-0ubuntu0.14.04.1","binary_name":"thunderbird-globalmenu"},{"binary_version":"1:31.8.0+build1-0ubuntu0.14.04.1","binary_name":"thunderbird-gnome-support"},{"binary_version":"1:31.8.0+build1-0ubuntu0.14.04.1","binary_name":"thunderbird-mozsymbols"},{"binary_version":"1:31.8.0+build1-0ubuntu0.14.04.1","binary_name":"thunderbird-testsuite"},{"binary_version":"1:31.8.0+build1-0ubuntu0.14.04.1","binary_name":"xul-ext-calendar-timezones"},{"binary_version":"1:31.8.0+build1-0ubuntu0.14.04.1","binary_name":"xul-ext-gdata-provider"},{"binary_version":"1:31.8.0+build1-0ubuntu0.14.04.1","binary_name":"xul-ext-lightning"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-2740.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}