{"id":"CVE-2026-18090","aliases":["AZL-100929","DEBIAN-CVE-2026-18090","EUVD-2026-74294","GHSA-wjgf-rg4p-gj99","UBUNTU-CVE-2026-18090"],"status":"published","title":"Gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted icns rle block","description":"A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00227,"percentile":0.13581,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-09-08T23:02:40Z","modified":"2026-11-05T05:40:51Z","affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"gdk-pixbuf2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.42.10-6"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"gdk-pixbuf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.42.10+dfsg-1","2.42.10+dfsg-1+deb12u1","2.42.10+dfsg-1+deb12u2","2.42.10+dfsg-1+deb12u3","2.42.10+dfsg-1+deb12u4","2.42.10+dfsg-2","2.42.10+dfsg-3","2.42.12+dfsg-1","2.42.12+dfsg-2","2.42.12+dfsg-3","2.42.12+dfsg-4","2.42.12+dfsg-5","2.44.3+dfsg-1","2.44.3+dfsg-2","2.44.3+dfsg-3","2.44.4+dfsg-1","2.44.4+dfsg-2","2.44.4+dfsg-3","2.44.5+dfsg-1","2.44.5+dfsg-2","2.44.5+dfsg-3","2.44.5+dfsg-4","2.44.6+dfsg-1","2.44.6+dfsg-2","2.44.7+dfsg-1","2.44.8+dfsg-1"]},{"source":"osv","ecosystem":"Debian:13","package":"gdk-pixbuf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.42.12+dfsg-4","2.42.12+dfsg-4+deb13u1","2.42.12+dfsg-5","2.44.3+dfsg-1","2.44.3+dfsg-2","2.44.3+dfsg-3","2.44.4+dfsg-1","2.44.4+dfsg-2","2.44.4+dfsg-3","2.44.5+dfsg-1","2.44.5+dfsg-2","2.44.5+dfsg-3","2.44.5+dfsg-4","2.44.6+dfsg-1","2.44.6+dfsg-2","2.44.7+dfsg-1","2.44.8+dfsg-1"]},{"source":"osv","ecosystem":"Debian:14","package":"gdk-pixbuf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.42.12+dfsg-4","2.42.12+dfsg-5","2.44.3+dfsg-1","2.44.3+dfsg-2","2.44.3+dfsg-3","2.44.4+dfsg-1","2.44.4+dfsg-2","2.44.4+dfsg-3","2.44.5+dfsg-1","2.44.5+dfsg-2","2.44.5+dfsg-3","2.44.5+dfsg-4","2.44.6+dfsg-1","2.44.6+dfsg-2","2.44.7+dfsg-1","2.44.8+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"gdk-pixbuf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.32.1-1","2.32.2-1","2.32.2-1ubuntu1","2.32.2-1ubuntu1.2","2.32.2-1ubuntu1.3","2.32.2-1ubuntu1.4","2.32.2-1ubuntu1.5","2.32.2-1ubuntu1.6","2.32.2-1ubuntu1.6+esm1","2.32.2-1ubuntu1.6+esm2","2.32.2-1ubuntu1.6+esm3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"gdk-pixbuf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.36.11-1","2.36.11-1ubuntu0.1","2.36.11-2","2.36.11-2ubuntu0.1~esm1","2.36.11-2ubuntu0.1~esm2","2.36.11-2ubuntu0.1~esm3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"gdk-pixbuf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.40.0+dfsg-1build1","2.40.0+dfsg-1ubuntu1","2.40.0+dfsg-2","2.40.0+dfsg-3","2.40.0+dfsg-3ubuntu0.1","2.40.0+dfsg-3ubuntu0.2","2.40.0+dfsg-3ubuntu0.3","2.40.0+dfsg-3ubuntu0.4","2.40.0+dfsg-3ubuntu0.5","2.40.0+dfsg-3ubuntu0.5+esm1","2.40.0+dfsg-3ubuntu0.5+esm3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"gdk-pixbuf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.42.6+dfsg-1build2","2.42.6+dfsg-1build3","2.42.6+dfsg-2ubuntu2","2.42.6+dfsg-2ubuntu3","2.42.8+dfsg-1","2.42.8+dfsg-1ubuntu0.1","2.42.8+dfsg-1ubuntu0.2","2.42.8+dfsg-1ubuntu0.3","2.42.8+dfsg-1ubuntu0.4","2.42.8+dfsg-1ubuntu0.5"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"gdk-pixbuf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.42.10+dfsg-1build1","2.42.10+dfsg-3","2.42.10+dfsg-3ubuntu1","2.42.10+dfsg-3ubuntu2","2.42.10+dfsg-3ubuntu3","2.42.10+dfsg-3ubuntu3.1","2.42.10+dfsg-3ubuntu3.2","2.42.10+dfsg-3ubuntu3.3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"gdk-pixbuf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.44.5+dfsg-4ubuntu1","2.44.7+dfsg-1","2.44.8+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"gdk-pixbuf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.42.12+dfsg-5","2.44.4+dfsg-1","2.44.5+dfsg-3","2.44.5+dfsg-4","2.44.5+dfsg-4ubuntu1"]}],"products":[{"vendor":"red hat","product":"red hat enterprise linux 10"},{"vendor":"red hat","product":"red hat enterprise linux 6"},{"vendor":"red hat","product":"red hat enterprise linux 7"},{"vendor":"red hat","product":"red hat enterprise linux 8"},{"vendor":"red hat","product":"red hat enterprise linux 9"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-18090","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2517751","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/308"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18090","tags":["web"]},{"url":"https://github.com/advisories/GHSA-wjgf-rg4p-gj99"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-18090","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-18090","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-18090","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-18090","title":"Gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted icns rle block","description":"A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory.","status":"published","published":"2026-09-08T23:02:40.652Z","modified":"2026-11-06T18:08:44.564Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-06T19:59:19.701997Z"}],"euvd":[{"id":"EUVD-2026-74294","description":"A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory.","status":"published","published":"2026-09-08T23:02:40Z","modified":"2026-11-06T18:08:44Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-06T19:05:52.672747Z"}],"ghsa":[{"id":"GHSA-wjgf-rg4p-gj99","title":"A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out...","description":"A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory.","status":"published","published":"2026-09-09T00:30:30Z","modified":"2026-09-09T00:30:37Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:11:36.851913Z"}],"nvd":[{"id":"CVE-2026-18090","description":"A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory.","status":"published","published":"2026-09-08T23:17:22.76Z","modified":"2026-11-06T19:17:46.957Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-06T22:02:13.634375Z"}],"osv":[{"id":"DEBIAN-CVE-2026-18090","description":"A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory.","status":"published","published":"2026-09-08T23:17:22.76Z","modified":"2026-11-07T09:47:37.913594366Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-07T10:14:19.880839Z"},{"id":"UBUNTU-CVE-2026-18090","description":"A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory.","status":"published","published":"2026-09-08T23:17:00Z","modified":"2026-10-17T12:59:53.333934632Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:56:01.334185Z"},{"id":"AZL-100929","title":"CVE-2026-18090 affecting package gdk-pixbuf2 2.42.10-6","description":"A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory.","status":"published","published":"2026-09-08T23:17:22Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:17.128158Z"}]}}
