6.3Medium
CVE-2026-86514
A weakness has been identified in vgmstream up to r2117. This issue affects the function sscanf of the file src/meta/txth.c of the component txth-txtp. This manipulation causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 4669d37a6af94866f6f0628678f9f90d46954e8b. To fix this issue, it is recommended to deploy a patch.
What this means for your business
- An attacker can use it remotely, over a network, without a login, but only after tricking someone into an action such as opening a file or a link.
- FIRST's prediction model gives it a 0.3% chance of attack attempts being seen in the next 30 days, ranking above 19% of all known flaws.
What to do
- 1Ask your IT team or provider whether any of your systems use the affected product.
- 2If you do, follow the vendor's guidance. No patch reference has been published yet.
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Scoring
- CVSS
- 6.3 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L- CVSS v4
- 2.1
- Weakness
- CWE-119
- Assigned by
- cna@vuldb.com
Dates
- Published
- 2026-09-08
- Last modified
- 2026-09-11
- Sources
- NVD
References
- https://github.com/vgmstream/vgmstream/
- https://github.com/vgmstream/vgmstream/commit/4669d37a6af94866f6f0628678f9f90d46954e8b
- https://github.com/vgmstream/vgmstream/issues/1972
- https://github.com/vgmstream/vgmstream/pull/1956
- https://vuldb.com/cve/CVE-2026-86514
- https://vuldb.com/submit/908369
- https://vuldb.com/vuln/399668
- https://vuldb.com/vuln/399668/cti