CVE-2026-102620 Freedesktop Poppler FoFiTrueType.cc cvtSfnts integer overflow

Medium 4.8 Published Updated

A local attacker can trigger an integer overflow in Poppler's TrueType font processing, 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-2026-102620?

CVE-2026-102620 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 determined in Freedesktop Poppler 26.06.0/26.07.0/26.08.0. This impacts the function FoFiTrueType::cvtSfnts of the file fofi/FoFiTrueType.cc. This manipulation causes integer overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. Patch name: 245d3c6823377755f2c1d5fdddd010279c6ed94d. It is suggested to install a patch to address this issue.

Weakness: CWE-190, CWE-189

Which versions are affected by CVE-2026-102620?

How do I fix CVE-2026-102620?

Apply the vendor's patch.

Is CVE-2026-102620 being exploited?

There is no known exploitation of CVE-2026-102620 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2026-102620, ECHO-34dd-7b97-3c35, GHSA-j552-4gqh-7xmg, UBUNTU-CVE-2026-102620.

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