CVE-2026-34253

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

Additional References

• https://gitlab.xiph.org/xiph/vorbis-tools/-/work_items/2332

vorbis-tools: vorbis-tools ogg123: Arbitrary code execution via buffer underflow in remote control functionality

Additional References

• https://access.redhat.com/security/cve/CVE-2026-34253
• https://bugzilla.redhat.com/show_bug.cgi?id=2477925
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34253.json

References

• https://github.com/xiph/vorbis-tools/blob/0b3fbf42eb3897d32f4a75baa2dc915a4ca45e8e/ogg123/remote.c#L153
• https://github.com/xiph/vorbis-tools/archive/refs/tags/v1.4.3.tar.gz
• https://gitlab.xiph.org/xiph/vorbis-tools/-/work_items/2332

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