CVE-2026-16768
No fix known EPSS <1%CVSS 5.3
A flaw was found in gdk-pixbuf. When parsing a specially crafted ICO file with pixel values that exceed the defined palette range, an out-of-bounds read can occur due to improper bounds checking against the actual palette size. This vulnerability causes heap bytes to be interpreted as valid palette indices and rendered as RGB pixel values in the output image, allowing an attacker to extract heap content via the generated output, such as a thumbnail.
Products: gnome gdk-pixbuf, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | gdk-pixbuf | no fix |
| Debian 13 | gdk-pixbuf | no fix |
| Debian 14 | gdk-pixbuf | no fix |
| Ubuntu 22.04 LTS | gdk-pixbuf | no fix |
| Ubuntu 24.04 LTS | gdk-pixbuf | no fix |
| Ubuntu 26.04 LTS | gdk-pixbuf | no fix |
| Ubuntu 26.10 | gdk-pixbuf | no fix |
| Ubuntu Pro 16.04 LTS | gdk-pixbuf | no fix |
| Ubuntu Pro 18.04 LTS | gdk-pixbuf | no fix |
| Ubuntu Pro 20.04 LTS | gdk-pixbuf | no fix |