{"id":"CVE-2021-20240","details":"A flaw was found in gdk-pixbuf in versions before 2.42.0. An integer wraparound leading to an out of bounds write can occur when a crafted GIF image is loaded. An attacker may cause applications to crash or could potentially execute code on the victim system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","modified":"2026-08-07T11:48:34.032303981Z","published":"2021-05-28T11:15:08.037Z","database_specific":{"unresolved_ranges":[{"vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"33"},{"last_affected":"33"},{"introduced":"34"},{"last_affected":"34"}],"source":"CPE_STRING"}]},"references":[{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B5H3GNVWMZTYZR3JBYCK57PF7PFMQBNP/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BGZVCTH5O7WBJLYXZ2UOKLYNIFPVR55D/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EANWYODLOJDFLMBH6WEKJJMQ5PKLEWML/"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1926787"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gnome/gdk-pixbuf","events":[{"introduced":"0"},{"fixed":"6d29f41c075c78ace42e7c4d27894d0550e466d0"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.39.2"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:gnome:gdk-pixbuf:*:*:*:*:*:*:*:*"}}],"versions":["2.38.0","2.37.92","2.37.0","2.36.12","2.36.11","2.36.10","2.36.9","2.36.8","2.36.7","2.36.6","2.36.5","2.36.4","2.36.3","2.36.2","2.36.1","2.36.0","2.35.5","2.35.4","2.35.3","2.35.2","2.35.1","2.34.0","2.33.2","2.33.1","2.32.1","2.32.0","2.31.7","2.31.6","2.31.5","2.31.4","2.31.3","2.31.2","2.31.1","2.31.0","2.30.8","2.30.7","2.30.6","2.30.5","2.30.4","2.30.3","2.30.2","2.30.1","2.30.0","2.29.3","2.29.2","2.29.1","2.29.0","2.28.0","2.27.3","2.27.2","2.27.1","2.27.0","2.26.5","2.26.4","2.26.3","2.26.2","2.26.1","2.26.0","2.25.2","2.25.0","2.24.0","2.23.5","2.23.4","2.23.3","2.23.2","2.23.1","2.23.0","2.22.1","2.22.0","2.21.7","2.21.6","2.21.4","2.21.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20240.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.gnome.org/gnome/gdk-pixbuf","events":[{"introduced":"0"},{"fixed":"6d29f41c075c78ace42e7c4d27894d0550e466d0"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.39.2"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:gnome:gdk-pixbuf:*:*:*:*:*:*:*:*"}}],"versions":["2.38.0","2.37.92","2.37.0","2.36.12","2.36.11","2.36.10","2.36.9","2.36.8","2.36.7","2.36.6","2.36.5","2.36.4","2.36.3","2.36.2","2.36.1","2.36.0","2.35.5","2.35.4","2.35.3","2.35.2","2.35.1","2.34.0","2.33.2","2.33.1","2.32.1","2.32.0","2.31.7","2.31.6","2.31.5","2.31.4","2.31.3","2.31.2","2.31.1","2.31.0","2.30.8","2.30.7","2.30.6","2.30.5","2.30.4","2.30.3","2.30.2","2.30.1","2.30.0","2.29.3","2.29.2","2.29.1","2.29.0","2.28.0","2.27.3","2.27.2","2.27.1","2.27.0","2.26.5","2.26.4","2.26.3","2.26.2","2.26.1","2.26.0","2.25.2","2.25.0","2.24.0","2.23.5","2.23.4","2.23.3","2.23.2","2.23.1","2.23.0","2.22.1","2.22.0","2.21.7","2.21.6","2.21.4","2.21.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20240.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}