vulnerability
Red Hat: CVE-2021-46829: heap-based buffer overflow when compositing or clearing frames in GIF files (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:N/C:C/I:C/A:C) | Jul 24, 2022 | May 15, 2023 | Sep 1, 2025 |
Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
Jul 24, 2022
Added
May 15, 2023
Modified
Sep 1, 2025
Description
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.
Solutions
redhat-upgrade-gdk-pixbuf2redhat-upgrade-gdk-pixbuf2-debuginforedhat-upgrade-gdk-pixbuf2-debugsourceredhat-upgrade-gdk-pixbuf2-develredhat-upgrade-gdk-pixbuf2-devel-debuginforedhat-upgrade-gdk-pixbuf2-modulesredhat-upgrade-gdk-pixbuf2-modules-debuginforedhat-upgrade-gdk-pixbuf2-tests-debuginfo
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