Is CVE-2026-34253 actively exploited?

No active exploitation of CVE-2026-34253 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-34253 be exploited remotely?

Yes. CVE-2026-34253 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-34253?

CVE-2026-34253 has a CVSS score of 8.2 (HIGH).

HOME VULNERABILITIESCVE-2026-34253

HIGH

CVE-2026-34253

CWE-124Published: May 15, 2026· Updated: May 18, 2026

8.2

CVSS v3.1

EPSS:0.07%probability of exploitation in 30 daysPercentile:22.2th

Official 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.

NVD Source

Technical Analysis

CVE-2026-34253 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 8.2.