Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnome | Gdk-Pixbuf | < 2.42.8 |
| Fedoraproject | Fedora | 35 |
| Debian | Debian Linux | 11.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2022/07/25/1Mailing ListThird Party Advisory
- https://github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.ExploitThird Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ePatchThird Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db9PatchThird Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190ExploitIssue TrackingThird Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121ExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.debian.org/security/2022/dsa-5228Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/07/23/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/07/25/1Mailing ListThird Party Advisory
- https://github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.ExploitThird Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ePatchThird Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db9PatchThird Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190ExploitIssue TrackingThird Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121ExploitThird Party Advisory
FAQ
What is CVE-2021-46829?
CVE-2021-46829 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 overflo...
How severe is CVE-2021-46829?
CVE-2021-46829 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-46829?
Check the references section above for vendor advisories and patch information. Affected products include: Gnome Gdk-Pixbuf, Fedoraproject Fedora, Debian Debian Linux.