CVE-2026-102505 Memory corruption in tonycoz:imager
A heap buffer overflow in the Imager Perl library allows attackers to execute arbitrary code or cause denial of service via crafted paletted images.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-102505?
CVE-2026-102505 is a medium-severity memory corruption vulnerability in tonycoz:imager, published on 1 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Imager versions before 1.037 for Perl overflow a heap buffer fetching float samples from a paletted image in i_gsampf_fp.
For a paletted image, getsamples() with type "float" allocates a buffer of one sample per pixel and fetches every requested channel of each pixel into it. Requesting more than one channel writes past its end.
An attacker-supplied image controls the overflowing bytes through its palette.
Weakness: CWE-131
Which versions are affected by CVE-2026-102505?
It affects 1 product.
Products include Tonycoz Imager.
How do I fix CVE-2026-102505?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-102505 being exploited?
There is no known exploitation of CVE-2026-102505 in the wild and no public exploit code.
Other vulnerabilities in tonycoz:imager
Sources
Also known as DEBIAN-CVE-2026-102505, GHSA-4rx6-cgv3-fmxp, UBUNTU-CVE-2026-102505.