Vulnerability · Published Jul 24, 2022 · Assigned by mitre
CVE-2021-46829
High 7.8
In plain English
A high-severity security flaw in the gdk-pixbuf2 package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.8%top 43.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | gdk-pixbuf2 | 2.42.6-3.el9 | ALSA-2023:2216 |
| AlmaLinux:9 | gdk-pixbuf2-devel | 2.42.6-3.el9 | ALSA-2023:2216 |
| AlmaLinux:9 | gdk-pixbuf2-modules | 2.42.6-3.el9 | ALSA-2023:2216 |
| Debian:12 | gdk-pixbuf | 2.42.8+dfsg-1 | DEBIAN-CVE-2021-46829 |
| Debian:13 | gdk-pixbuf | 2.42.8+dfsg-1 | DEBIAN-CVE-2021-46829 |
| Debian:14 | gdk-pixbuf | 2.42.8+dfsg-1 | DEBIAN-CVE-2021-46829 |
Affected products (as reported)
References
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190 x_refsource_MISC
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121 x_refsource_MISC
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db931e52bd9cd2 x_refsource_MISC
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ed88db0f0512 x_refsource_MISC
- https://www.openwall.com/lists/oss-security/2022/07/23/1 x_refsource_MISC
- [oss-security] 20220725 Re: CVE Request: heap buffer overflow in gdk-pixbuf mailing-list, x_refsource_MLIST
- https://github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.md x_refsource_MISC
- FEDORA-2022-7254ec5e96 vendor-advisory, x_refsource_FEDORA
- DSA-5228 vendor-advisory, x_refsource_DEBIAN