CVE-2026-118753 FreeImage (danoli3 fork) before 3.19.25 Heap Buffer Overflow via GIF_PLAYBACK Compositing

High 8.5 Published 28 Oct 2026 Updated 28 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-118753?

CVE-2026-118753 is a high-severity vulnerability in FreeImage, published on 28 Oct 2026.

Official description

FreeImage (danoli3 fork) before 3.19.25 contains a heap buffer overflow vulnerability in PluginGIF.cpp that allows attackers to write past the canvas allocation via unclipped GIF frame rectangles. Attackers can craft a GIF whose frame left plus width exceeds the logical screen width, causing GifPlaybackCompositeFrame() and GifPlaybackFillRect() to corrupt heap memory when loaded with GIF_PLAYBACK.

Weakness: CWE-787

Which versions are affected by CVE-2026-118753?

How do I fix CVE-2026-118753?

No fix has been published for CVE-2026-118753 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-118753 being exploited?

There is no known exploitation of CVE-2026-118753 in the wild and no public exploit code.

Sources

Also known as GHSA-wr69-568q-rrqg, UBUNTU-CVE-2026-118753.