4.3Medium
CVE-2026-86515
A security vulnerability has been detected in vgmstream up to r2117. Impacted is the function add_entry of the file src/meta/txtp_parser.c of the component txtp. Such manipulation of the argument range_start/range_end leads to resource consumption. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The name of the patch is 4b6a02dd1aff6428255db912563d77d4cb0a143e. It is advisable to implement a patch to correct this issue.
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 27% 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.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- 4.3 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L- CVSS v4
- 2.1
- Weakness
- CWE-400
- Assigned by
- cna@vuldb.com
Dates
- Published
- 2026-09-08
- Last modified
- 2026-09-08
- Sources
- NVD
References
- https://github.com/vgmstream/vgmstream/
- https://github.com/vgmstream/vgmstream/commit/4b6a02dd1aff6428255db912563d77d4cb0a143e
- https://github.com/vgmstream/vgmstream/issues/1973
- https://github.com/vgmstream/vgmstream/pull/1965
- https://vuldb.com/cve/CVE-2026-86515
- https://vuldb.com/submit/908370
- https://vuldb.com/vuln/399669
- https://vuldb.com/vuln/399669/cti