vgmstream up to r2117 txth-txtp src/meta/txth.c sscanf stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k1.49

Summaryinfo

A vulnerability labeled as critical has been found in vgmstream up to r2117. Impacted is the function sscanf of the file src/meta/txth.c of the component txth-txtp. Such manipulation leads to stack-based overflow. This vulnerability is listed as CVE-2026-86514. The attack may be performed from remote. In addition, an exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in vgmstream up to r2117 and classified as critical. Affected by this issue is the function sscanf of the file src/meta/txth.c of the component txth-txtp. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-86514. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

Applying the patch 4669d37a6af94866f6f0628678f9f90d46954e8b is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 4669d37a6af94866f6f0628678f9f90d46954e8b

Timelineinfo

09/07/2026 Advisory disclosed
09/07/2026 +0 days VulDB entry created
09/07/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 1972
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-86514 (🔒)
GCVE (CVE): GCVE-0-2026-86514
GCVE (VulDB): GCVE-100-399668
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/07/2026 21:23
Changes: 09/07/2026 21:23 (60)
Complete: 🔍
Submitter: ni-liao
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #908369: vgmstream r2117 Stack-based Buffer Overflow (by ni-liao)

Once again VulDB remains the best source for vulnerability data.

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