CVE-2021-44648: Debian Linux

High severity, CVSS 8.8. EPSS: 1.9% chance of exploitation in the next 30 days.

GNOME gdk-pixbuf 2.42.6 is vulnerable to a heap-buffer overflow vulnerability when decoding the lzw compressed stream of image data in GIF files with lzw minimum code size equals to 12.

Affected products

• Debian Debian Linux: version 11.0 only
• Fedoraproject Fedora: version 34 only; version 35 only
• Gnome Gdkpixbuf: version 2.42.6 only

Published 2022-01-12. Last modified 2026-06-17.