{"id":"UBUNTU-CVE-2016-1968","details":"Integer underflow in Brotli, as used in Mozilla Firefox before 45.0, allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via crafted data with brotli compression.","modified":"2026-04-22T10:59:01.371828Z","published":"2016-03-08T00:00:00Z","related":["USN-2917-1"],"upstream":["CVE-2016-1968"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-1968"},{"type":"REPORT","url":"https://www.mozilla.org/en-US/security/advisories/mfsa2016-30/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2917-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-1968"}],"affected":[{"package":{"name":"firefox","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/firefox@45.0+build2-0ubuntu0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"45.0+build2-0ubuntu0.14.04.1"}]}],"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","40.0.3+build1-0ubuntu0.14.04.1","41.0+build3-0ubuntu0.14.04.1","41.0.1+build2-0ubuntu0.14.04.1","41.0.2+build2-0ubuntu0.14.04.1","42.0+build2-0ubuntu0.14.04.1","43.0+build1-0ubuntu0.14.04.1","43.0.4+build3-0ubuntu0.14.04.1","44.0+build3-0ubuntu0.14.04.1","44.0.1+build2-0ubuntu0.14.04.1","44.0.2+build1-0ubuntu0.14.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"45.0+build2-0ubuntu0.14.04.1","binary_name":"firefox"},{"binary_version":"45.0+build2-0ubuntu0.14.04.1","binary_name":"firefox-globalmenu"},{"binary_version":"45.0+build2-0ubuntu0.14.04.1","binary_name":"firefox-mozsymbols"},{"binary_version":"45.0+build2-0ubuntu0.14.04.1","binary_name":"firefox-testsuite"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-1968.json"}},{"package":{"name":"brotli","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/brotli@0.3.0+dfsg-2ubuntu1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.0+dfsg-2ubuntu1"}]}],"versions":["0.2.0+dfsg-1","0.3.0+dfsg-1","0.3.0+dfsg-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.3.0+dfsg-2ubuntu1","binary_name":"brotli"},{"binary_version":"0.3.0+dfsg-2ubuntu1","binary_name":"python-brotli"},{"binary_version":"0.3.0+dfsg-2ubuntu1","binary_name":"python3-brotli"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-1968.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}