CVE-2026-34253

Severity: high (CVSS 8.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-15 · updated 2026-10-19
Weakness: CWE-124

Description

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.

References

https://github.com/xiph/vorbis-tools/archive/refs/tags/v1.4.3.tar.gz
https://github.com/xiph/vorbis-tools/blob/0b3fbf42eb3897d32f4a75baa2dc915a4ca45e8e/ogg123/remote.c#L153
https://gitlab.xiph.org/xiph/vorbis-tools/-/work_items/2332
https://access.redhat.com/security/cve/CVE-2026-34253
https://bugzilla.redhat.com/show_bug.cgi?id=2477925
https://gitlab.xiph.org/xiph/vorbis-tools/-/work_items/2332
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34253.json

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