CVE-2026-111149 FreeImage through 3.19.23 Heap Out-of-Bounds Read via PICT Unpack32Bits
Attackers can leak heap memory or crash the application by supplying a crafted PICT image file to the FreeImage library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-111149?
CVE-2026-111149 is a medium-severity vulnerability in FreeImage, published on 15 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
FreeImage (danoli3 fork) through 3.19.23 contains a heap out-of-bounds read vulnerability in Unpack32Bits() in PluginPICT.cpp because rowBytes is never checked against the file-controlled PixMap width. Attackers can supply a crafted PICT file with a truncated or undersized rowBytes to over-read up to 64 KiB of heap, leaking memory into decoded pixels or crashing the process.
Weakness: CWE-125
Which versions are affected by CVE-2026-111149?
How do I fix CVE-2026-111149?
No fix has been published for CVE-2026-111149 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-111149 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111149 exists.
Sources
Also known as GHSA-hmpq-mc7h-9mv3.