MEDIUMCVSS v3.1 6.5Vulnerability

CVE-2026-121603

Solanum before commit 2ea1382 contains a buffer overflow vulnerability in ms_kill() that allows malicious linked servers to corrupt memory by sending an overlong kill reason. Attackers controlling a rogue or compromised peer server can send a reason exceeding KILLLEN that overflows a static 512-byte buffer, crashing the ircd or potentially achieving remote code execution.

Properties

Severity
MEDIUM
Nvd fetched at
2026-11-03T17:20:13.885968+00:00
Cvss score
6.5
Cvss severity
MEDIUM
Retrieved at
2026-11-03T17:21:19+00:00
Score
6.5
Last source
NVD
Cvss version
3.1
Cve id
CVE-2026-121603
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
First seen by Signal
2026-11-03T17:21:19+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Published at
2026-11-03T17:18:11.567
Last modified
2026-11-03T17:18:11.567

Related Entities (1)

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CVE-2026-121603 (CVSS v3.1 6.5) — Ninja Signal Threat Intelligence | Ninja Signal