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Fencer Vulns
high 8.2

CVE-2026-34253 json

A buffer underflow vulnerability has been identified in the ogg123 utility from the vorbis-tools 1.4.3 package in function remotethread in…

published 2026-05-15 5 mo ago modified 2026-10-19 20 d ago also EUVD-2026-30545

cvss
8.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

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.

Patch / fix

  • vorbis-tools SLE Module for Desktop Applications 15 SP7 1.4.0-150000.3.6.1
  • vorbis-tools SLES LTSS Extended Security 12 SP5 1.4.0-27.6.1

suse advisories SUSE-SU-2026:3115-1SUSE-SU-2026:3114-1

  • vorbis-tools openSUSE Tumbleweed 1.4.3-2.1

opensuse advisories openSUSE-SU-2026:10904-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-34253 updated cvss 8.2

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

  • Red Hat Enterprise Linux 6 vorbis-tools Red Hat Enterprise Linux 7 vorbis-tools Red Hat Enterprise Linux 8 vorbis-tools
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
5 mo ago

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gitlab.xiph.org https://gitlab.xiph.org/xiph/vorbis-tools/-/work_items/2332 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CNA 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected products

  • Red Hat Red Hat Enterprise Linux 6
  • Red Hat Red Hat Enterprise Linux 7
  • Red Hat Red Hat Enterprise Linux 8

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.