{"id":"CVE-2021-46829","details":"GNOME GdkPixbuf (aka GDK-PixBuf) before 2.42.8 allows a heap-based buffer overflow when compositing or clearing frames in GIF files, as demonstrated by io-gif-animation.c composite_frame. This overflow is controllable and could be abused for code execution, especially on 32-bit systems.","modified":"2026-08-07T11:48:58.664837774Z","published":"2022-07-24T19:15:10.097Z","related":["ALSA-2023:2216","SUSE-SU-2022:2995-1","SUSE-SU-2022:2996-1","openSUSE-SU-2024:12222-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"11.0"},{"last_affected":"11.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"]},{"extracted_events":[{"introduced":"35"},{"last_affected":"35"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"]}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M5IHHEYFD6GDZVALKIPPRD2U4JNZUZWR/"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2022/07/25/1"},{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5228"},{"type":"ADVISORY","url":"https://www.openwall.com/lists/oss-security/2022/07/23/1"},{"type":"REPORT","url":"https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190"},{"type":"FIX","url":"https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ed88db0f0512"},{"type":"FIX","url":"https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db931e52bd9cd2"},{"type":"EVIDENCE","url":"https://github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.md"},{"type":"EVIDENCE","url":"https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gnome/gdk-pixbuf","events":[{"introduced":"0"},{"fixed":"bca00032ad68d0b0aa2c1f7558db931e52bd9cd2"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:gnome:gdk-pixbuf:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.42.8"}]}}],"versions":["2.42.6","2.42.4","2.42.2","2.42.0","2.40.0","2.39.2","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-2021-46829.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.gnome.org/gnome/gdk-pixbuf","events":[{"introduced":"0"},{"fixed":"bca00032ad68d0b0aa2c1f7558db931e52bd9cd2"},{"fixed":"5398f04d772f7f8baf5265715696ed88db0f0512"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.42.8"}],"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:gnome:gdk-pixbuf:*:*:*:*:*:*:*:*"}}],"versions":["2.42.6","2.42.4","2.42.2","2.42.0","2.40.0","2.39.2","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-2021-46829.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}