Vulnerability · Published May 15, 2026 · Assigned by mitre
CVE-2026-34253
High 8.2
In plain English
A high-severity security flaw in the vorbis-tools package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.6%top 52.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | vorbis-tools | no fix listed | DEBIAN-CVE-2026-34253 |
| Debian:13 | vorbis-tools | no fix listed | DEBIAN-CVE-2026-34253 |
| Debian:14 | vorbis-tools | no fix listed | DEBIAN-CVE-2026-34253 |
| Ubuntu:22.04:LTS | vorbis-tools | no fix listed | UBUNTU-CVE-2026-34253 |
| Ubuntu:24.04:LTS | vorbis-tools | no fix listed | UBUNTU-CVE-2026-34253 |
| Ubuntu:25.10 | vorbis-tools | no fix listed | UBUNTU-CVE-2026-34253 |
| Ubuntu:26.04:LTS | vorbis-tools | no fix listed | UBUNTU-CVE-2026-34253 |
| Ubuntu:26.10 | vorbis-tools | no fix listed | UBUNTU-CVE-2026-34253 |
Affected products (as reported)
Weakness: CWE-124 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
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
- https://access.redhat.com/security/cve/CVE-2026-34253 vdb-entry, x_refsource_REDHAT
- RHBZ#2477925 issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34253.json x_sadp-csaf-vex