{"id":"DEBIAN-CVE-2026-117555","details":"CImg through 4.0.6 contains a heap out-of-bounds read vulnerability in the _load_bmp() function of CImg.h caused by an integer overflow in the row byte count. Attackers can supply a crafted BMP file with a large header width that wraps dx_bytes, causing crashes or heap memory disclosure into the decoded image.","modified":"2026-10-28T20:00:07.085350443Z","published":"2026-10-27T14:16:36.187Z","upstream":["CVE-2026-117555"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-117555"}],"affected":[{"package":{"name":"cimg","ecosystem":"Debian:12","purl":"pkg:deb/debian/cimg?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.1+dfsg-1","3.2.1+dfsg-2","3.5.0+dfsg-1","3.5.2+dfsg-1","3.5.2+dfsg-2","4.0.4+dfsg-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-117555.json"}},{"package":{"name":"cimg","ecosystem":"Debian:13","purl":"pkg:deb/debian/cimg?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.2+dfsg-1","3.5.2+dfsg-1+deb13u1","3.5.2+dfsg-2","4.0.4+dfsg-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-117555.json"}},{"package":{"name":"cimg","ecosystem":"Debian:14","purl":"pkg:deb/debian/cimg?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.2+dfsg-1","3.5.2+dfsg-2","4.0.4+dfsg-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-117555.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"}]}