{"id":"UBUNTU-CVE-2015-4467","details":"The chmd_init_decomp function in chmd.c in libmspack before 0.5 does not properly validate the reset interval, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted CHM file.","modified":"2026-02-04T03:45:17.481928Z","published":"2015-06-11T14:59:00Z","related":["USN-7788-1"],"upstream":["CVE-2015-4467"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-4467"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2015/02/03/11"},{"type":"REPORT","url":"https://bugs.debian.org/774725"},{"type":"REPORT","url":"http://openwall.com/lists/oss-security/2015/02/03/11"},{"type":"REPORT","url":"http://anonscm.debian.org/cgit/collab-maint/libmspack.git/diff/debian/patches/fix-division-by-zero.patch?id=a25bb144795e526748b57884daf365732c7e2295"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-4467"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7788-1"}],"affected":[{"package":{"name":"libmspack","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libmspack@0.4-1ubuntu0.1~esm2?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4-1ubuntu0.1~esm2"}]}],"versions":["0.4-1","0.4-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libmspack-dev","binary_version":"0.4-1ubuntu0.1~esm2"},{"binary_name":"libmspack0","binary_version":"0.4-1ubuntu0.1~esm2"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-4467.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}