CVE-2026-105249: vgmstream use-after-free in TXTP file handler

CVE-2026-105249 · Severity: medium · CVSS 4.8 · Published 2026-10-05

vgmstream is a library for playing audio from video games. A flaw in how it processes TXTP playlist files can cause the application to access memory that has already been freed, potentially leading to a crash or code execution when opening a malicious playlist file.

Technologies: Vgmstream. Vendors: Vgmstream.

Quick answers

Is CVE-2026-105249 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-105249 being exploited in the wild.
How severe is CVE-2026-105249?
Medium severity, with a CVSS score of 4.8, published 5 October 2026.
Which products and versions are affected?
Vgmstream up to r2117.
Is there a fix for CVE-2026-105249?
Yes: fixed in r2118 or later (commit ae37662ad626254ddd96ad69ac263792d7a92024 onwards). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-105249 attacked?
It is attacked with local access.
Am I affected by CVE-2026-105249?
Check whether you run Vgmstream at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: r2118 or later (commit ae37662ad626254ddd96ad69ac263792d7a92024 onwards)

Technical details

A use-after-free vulnerability exists in the make_group_random function within src/meta/txtp_process.c, the TXTP file handler component of vgmstream. The flaw can be exploited via a locally crafted TXTP file. The vulnerability is fixed in commit ae37662ad626254ddd96ad69ac263792d7a92024, which addresses buffer and overflow issues.

Affected products

  • vgmstream vgmstream up to r2117

Timeline

  • 2026-10-05: disclosed

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.