CVE-2026-102805 Nothings stb Image Encoding stb_image_write.h stbi_write_tga_core integer overflow
An integer overflow in stb image encoding functions allows remote attackers to cause denial of service or potentially execute code via manipulated images.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102805?
CVE-2026-102805 is a medium-severity vulnerability in Nothings stb, published on 30 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw has been found in Nothings stb up to 1.16. This affects the function stbi_write_png_to_mem/stbi_write_jpg_core/stbi_write_tga_core in the library stb_image_write.h of the component Image Encoding. Executing a manipulation can lead to integer overflow. The attack can be executed remotely. The exploit has been published and may be used.
Which versions are affected by CVE-2026-102805?
How do I fix CVE-2026-102805?
No fix has been published for CVE-2026-102805 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-102805 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-102805 exists.
Sources
Also known as DEBIAN-CVE-2026-102805, GHSA-cc6h-2fmv-w53q, UBUNTU-CVE-2026-102805.