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

Source: https://junglewise.ai/threats/cve-2026-105249-a-weakness-has-been-identified-in-vgmstream-up-to-r2117-this  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-05. Updated: 2026-10-05  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/vgmstream). Vendors: [Vgmstream](https://junglewise.ai/threats/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

- [https://github.com/vgmstream/vgmstream/](https://github.com/vgmstream/vgmstream/)
- [https://github.com/vgmstream/vgmstream/commit/ae37662ad626254ddd96ad69ac263792d7a92024](https://github.com/vgmstream/vgmstream/commit/ae37662ad626254ddd96ad69ac263792d7a92024)

## Related threats

- [vgmstream out-of-bounds read in VAG file handler](https://junglewise.ai/threats/cve-2026-105251-a-vulnerability-was-detected-in-vgmstream-up-to-r2117-affected)
- [vgmstream divide by zero in Microsoft IMA decoder](https://junglewise.ai/threats/cve-2026-105250-a-security-vulnerability-has-been-detected-in-vgmstream-up-to)
- [vgmstream out-of-bounds write in TXTP file handler](https://junglewise.ai/threats/cve-2026-105248-a-security-flaw-has-been-discovered-in-vgmstream-up-to-r2117)
- [vgmstream divide-by-zero in AWB parser](https://junglewise.ai/threats/cve-2026-92881-vgmstream-divide-by-zero-in-awb-parser)
- [vgmstream out-of-bounds write in EA SCHl parser](https://junglewise.ai/threats/cve-2026-92880-vgmstream-out-of-bounds-write-in-ea-schl-parser)