{"id":"UBUNTU-CVE-2019-11745","details":"When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could occur. This could have caused heap corruption and a potentially exploitable crash. This vulnerability affects Thunderbird \u003c 68.3, Firefox ESR \u003c 68.3, and Firefox \u003c 71.","modified":"2026-04-22T12:08:01.275534Z","published":"2019-11-25T00:00:00Z","related":["USN-4203-1","USN-4203-2","USN-4216-1","USN-4216-2","USN-4241-1","USN-4335-1"],"upstream":["CVE-2019-11745"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11745"},{"type":"REPORT","url":"https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.44.3_release_notes"},{"type":"REPORT","url":"https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.47.1_release_notes"},{"type":"REPORT","url":"https://www.mozilla.org/en-US/security/advisories/mfsa2019-38/#CVE-2019-11745"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4203-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4203-2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4216-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4216-2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4241-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4335-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-11745"}],"affected":[{"package":{"name":"nss","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/nss@2:3.28.4-0ubuntu0.14.04.5+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.28.4-0ubuntu0.14.04.5+esm2"}]}],"versions":["2:3.15.1-1ubuntu1","2:3.15.2-1","2:3.15.3-1","2:3.15.3.1-1","2:3.15.3.1-1.1","2:3.15.3.1-1.1ubuntu1","2:3.15.4-1ubuntu3","2:3.15.4-1ubuntu4","2:3.15.4-1ubuntu5","2:3.15.4-1ubuntu6","2:3.15.4-1ubuntu7","2:3.15.4-1ubuntu7.1","2:3.17-0ubuntu0.14.04.1","2:3.17.1-0ubuntu0.14.04.1","2:3.17.1-0ubuntu0.14.04.2","2:3.17.4-0ubuntu0.14.04.1","2:3.19.2-0ubuntu0.14.04.1","2:3.19.2.1-0ubuntu0.14.04.1","2:3.19.2.1-0ubuntu0.14.04.2","2:3.21-0ubuntu0.14.04.1","2:3.21-0ubuntu0.14.04.2","2:3.23-0ubuntu0.14.04.1","2:3.26.2-0ubuntu0.14.04.3","2:3.28.4-0ubuntu0.14.04.1","2:3.28.4-0ubuntu0.14.04.2","2:3.28.4-0ubuntu0.14.04.3","2:3.28.4-0ubuntu0.14.04.4","2:3.28.4-0ubuntu0.14.04.5","2:3.28.4-0ubuntu0.14.04.5+esm1"],"ecosystem_specific":{"availability":"Available 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