CVE-2026-105249 vgmstream TXTP File txtp_process.c make_group_random use after free
A local attacker can trigger a use-after-free in vgmstream's TXTP handler, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-105249?
CVE-2026-105249 is a low-severity use after free vulnerability in vgmstream, published on 5 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
A weakness has been identified in vgmstream up to r2117. This impacts the function make_group_random of the file src/meta/txtp_process.c of the component TXTP File Handler. This manipulation causes use after free. The attack needs to be launched locally. Patch name: ae37662ad626254ddd96ad69ac263792d7a92024. It is recommended to apply a patch to fix this issue.
Which versions are affected by CVE-2026-105249?
How do I fix CVE-2026-105249?
No fix has been published for CVE-2026-105249 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-105249 being exploited?
There is no known exploitation of CVE-2026-105249 in the wild and no public exploit code.
Sources
Also known as GHSA-c5vv-42x3-j64w.