vorbis-tools 1.4.3 ogg123 remote.c remotethread stack-based overflow

Summaryinfo

A vulnerability marked as critical has been reported in vorbis-tools 1.4.3. This affects the function remotethread of the file remote.c of the component ogg123. Performing a manipulation results in stack-based overflow. This vulnerability is cataloged as CVE-2026-34253. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in vorbis-tools 1.4.3. This affects the function remotethread of the file remote.c of the component ogg123. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A buffer underflow vulnerability has been identified in the ogg123 utility from the vorbis-tools 1.4.3 package in function remotethread in remote.c. This vulnerability occurs in the remote control functionality when processing malformed input, leading to a stack buffer underflow that can cause application crashes and potentially allow code execution.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-34253 since 03/26/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/21/2026).

The vulnerability scanner Nessus provides a plugin with the ID 315102 (Linux Distros Unpatched Vulnerability : CVE-2026-34253), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (315102). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• vorbis-tools

Version

• 1.4.3

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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