CVE-2021-46829
7.8
HIGH
CVSS 3.1
EPSS 0.41%
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.
How to fix CVE-2021-46829
To remediate CVE-2021-46829, upgrade the affected package to a fixed version below.
- Debian/gdk-pixbuf—upgrade to 2.42.2+dfsg-1+deb11u1 or later
Is CVE-2021-46829 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.42.2+dfsg-1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |