{"id":"UBUNTU-CVE-2017-1000421","details":"Gifsicle gifview 1.89 and older is vulnerable to a use-after-free in the read_gif function resulting potential code execution","modified":"2026-02-04T03:02:53.730143Z","published":"2018-01-02T19:29:00Z","related":["USN-4803-1"],"upstream":["CVE-2017-1000421"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-1000421"},{"type":"REPORT","url":"https://github.com/kohler/gifsicle/issues/114"},{"type":"REPORT","url":"https://github.com/kohler/gifsicle/commit/81fd7823f6d9c85ab598bc850e40382068361185"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-1000421"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4803-1"}],"affected":[{"package":{"name":"gifsicle","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/gifsicle@1.78-1ubuntu0.1~esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.78-1ubuntu0.1~esm1"}]}],"versions":["1.71-1","1.76-1","1.77-1","1.78-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"gifsicle","binary_version":"1.78-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-1000421.json"}},{"package":{"name":"gifsicle","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/gifsicle@1.88-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.88-1ubuntu0.1~esm1"}]}],"versions":["1.88-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"gifsicle","binary_version":"1.88-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-1000421.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}