CVE-2025-50422 Null dereference in Cairo
An attacker can cause a denial of service via a null pointer dereference in the Cairo graphics library when processing specific font data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-50422?
CVE-2025-50422 is a low-severity vulnerability in cairographics Cairo, published on 4 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Cairo through 1.18.4, as used in Poppler through 25.08.0, has an "unscaled->face == NULL" assertion failure for _cairo_ft_unscaled_font_fini in cairo-ft-font.c.
Weakness: CWE-617
Which versions are affected by CVE-2025-50422?
Linux distribution packages (10)
cairo SUSE:Linux Enterprise Micro 5.2 | All versions | 1.16.0-150200.5.8.1 |
cairo SUSE:Linux Enterprise Micro 5.3 | All versions | 1.16.0-150400.11.9.1 |
cairo SUSE:Linux Enterprise Micro 5.4 | All versions | 1.16.0-150400.11.9.1 |
cairo SUSE:Linux Enterprise Micro 5.5 | All versions | 1.16.0-150400.11.9.1 |
cairo SUSE:Linux Enterprise Module for Basesystem 15 SP6 | All versions | 1.18.4-150600.3.3.1 |
cairo SUSE:Linux Enterprise Module for Basesystem 15 SP7 | All versions | 1.18.4-150600.3.3.1 |
cairo SUSE:Linux Enterprise Module for Desktop Applications 15 SP6 | All versions | 1.18.4-150600.3.3.1 |
cairo SUSE:Linux Enterprise Module for Desktop Applications 15 SP7 | All versions | 1.18.4-150600.3.3.1 |
cairo openSUSE:Leap 15.6 | All versions | 1.18.4-150600.3.3.1 |
cairo openSUSE:Tumbleweed | All versions | 1.18.4-3.1 |
How do I fix CVE-2025-50422?
Upgrade to a fixed version.
Is CVE-2025-50422 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-50422 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as AZL-66159, AZL-67719, DEBIAN-CVE-2025-50422, ECHO-7fd4-8457-9821, GHSA-6f98-2v97-grfv, JLSEC-2026-1194 and 14 more.