CVE-2026-121603
mediumSolanum before commit 2ea1382 contains a buffer overflow vulnerability in ms_kill() that allows malicious linked servers to corrupt memory by sending an overlo…
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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/solanum-ircd/solanum disclosure@vulncheck.com
- https://github.com/solanum-ircd/solanum/blob/7bc7e34c04711247b932666e19ae900cba884540/modu... disclosure@vulncheck.com
- https://github.com/solanum-ircd/solanum/commit/2ea1382e4262b212a91034258c466f0f6754cd61 disclosure@vulncheck.com
- https://github.com/solanum-ircd/solanum/pull/550 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/solanum-before-commit-2ea1382-buffer-overflow-via-ser... disclosure@vulncheck.com