{"id":"DEBIAN-CVE-2017-6961","details":"An issue was discovered in apng2gif 1.7. There is improper sanitization of user input causing huge memory allocations, resulting in a crash. This is related to the read_chunk function using the pChunk-\u003esize value (within the PNG file) to determine the amount of memory to allocate.","modified":"2026-09-01T20:03:49.689500756Z","published":"2017-03-17T09:59:00.287Z","upstream":["CVE-2017-6961"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2017-6961"}],"affected":[{"package":{"name":"apng2gif","ecosystem":"Debian:12","purl":"pkg:deb/debian/apng2gif?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8-0.1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2017-6961.json"}},{"package":{"name":"apng2gif","ecosystem":"Debian:13","purl":"pkg:deb/debian/apng2gif?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8-0.1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2017-6961.json"}},{"package":{"name":"apng2gif","ecosystem":"Debian:14","purl":"pkg:deb/debian/apng2gif?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8-0.1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2017-6961.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}