CVE-2026-102621 Freedesktop Poppler SplashClip.cc clipToPath integer overflow
A local attacker can trigger an integer overflow in Poppler's SplashClip component, potentially causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-102621?
CVE-2026-102621 is a medium-severity vulnerability in Freedesktop Poppler, published on 29 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was identified in Freedesktop Poppler up to 26.08.0. Affected is the function SplashClip::clipToPath of the file splash/SplashClip.cc. Such manipulation leads to integer overflow. The attack can only be performed from a local environment. The exploit is publicly available and might be used. Upgrading to version 26.09.0 is able to address this issue. The name of the patch is 323c91036d99926a8b90dc14329f7b40aece22f8. It is recommended to upgrade the affected component.
Which versions are affected by CVE-2026-102621?
How do I fix CVE-2026-102621?
Upgrade to a fixed version.
Is CVE-2026-102621 being exploited?
There is no known exploitation of CVE-2026-102621 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-102621, ECHO-9660-f07b-634e, GHSA-fxmp-c8v9-778f, UBUNTU-CVE-2026-102621.