CVE-2026-34253 Memory corruption in n/a
A buffer underflow in the ogg123 utility allows attackers to cause crashes or execute arbitrary code via malformed input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-34253?
CVE-2026-34253 is a high-severity memory corruption vulnerability in n/a, published on 15 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-124
Which versions are affected by CVE-2026-34253?
Linux distribution packages (3)
vorbis-tools SUSE:Linux Enterprise Module for Desktop Applications 15 SP7 | All versions | 1.4.0-150000.3.6.1 |
vorbis-tools SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 | All versions | 1.4.0-27.6.1 |
vorbis-tools openSUSE:Tumbleweed | All versions | 1.4.3-2.1 |
How do I fix CVE-2026-34253?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-34253 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34253 exists.
Sources
Also known as AZL-87002, DEBIAN-CVE-2026-34253, GHSA-45fh-4474-xc77, MGASA-2026-0297, OESA-2026-2375, OESA-2026-2376 and 8 more.