{"id":"USN-2723-1","summary":"firefox vulnerabilities","details":"A use-after-free was discovered when resizing a canvas element during\nrestyling in some circumstances. If a user were tricked in to opening a\nspecially crafted website, an attacker could potentially exploit this to\ncause a denial of service via application crash, or execute arbitrary code\nwith the privileges of the user invoking Firefox. (CVE-2015-4497)\n\nBas Venis discovered that the addon install permission prompt could be\nbypassed using data: URLs in some circumstances. It was also discovered\nthat the installation notification could be made to appear over another\nsite. If a user were tricked in to opening a specially crafted website, an\nattacker could potentially exploit this to install a malicious addon.\n(CVE-2015-4498)\n","modified":"2026-04-22T09:15:25.257196Z","published":"2015-08-27T18:21:35Z","related":["UBUNTU-CVE-2015-4497","UBUNTU-CVE-2015-4498"],"upstream":["CVE-2015-4497","CVE-2015-4498","UBUNTU-CVE-2015-4497","UBUNTU-CVE-2015-4498"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2723-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-4497"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-4498"}],"affected":[{"package":{"name":"firefox","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/firefox@40.0.3+build1-0ubuntu0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"40.0.3+build1-0ubuntu0.14.04.1"}]}],"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","40.0+build4-0ubuntu0.14.04.1","40.0+build4-0ubuntu0.14.04.4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"40.0.3+build1-0ubuntu0.14.04.1","binary_name":"firefox"},{"binary_version":"40.0.3+build1-0ubuntu0.14.04.1","binary_name":"firefox-globalmenu"},{"binary_version":"40.0.3+build1-0ubuntu0.14.04.1","binary_name":"firefox-mozsymbols"},{"binary_version":"40.0.3+build1-0ubuntu0.14.04.1","binary_name":"firefox-testsuite"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-2723-1.json","cves_map":{"cves":[{"severity":[{"score":"medium","type":"Ubuntu"}],"id":"CVE-2015-4497"},{"severity":[{"score":"medium","type":"Ubuntu"}],"id":"CVE-2015-4498"}],"ecosystem":"Ubuntu:14.04:LTS"}}}],"schema_version":"1.7.5"}