CVE-2026-121602
mediumSolanum before commit 2ce64de contains a heap-based buffer overflow vulnerability that allows a malicious linked server to corrupt memory by sending overlong c…
Solanum before commit 2ce64de contains a heap-based buffer overflow vulnerability that allows a malicious linked server to corrupt memory by sending overlong channel names in JOIN or SJOIN messages. Attackers controlling a peer server can trigger strcpy and sprintf overflows in ms_join and ms_sjoin to crash the ircd or potentially achieve 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/2ea1382e4262b212a91034258c466f0f6754cd61/ircd... disclosure@vulncheck.com
- https://github.com/solanum-ircd/solanum/blob/2ea1382e4262b212a91034258c466f0f6754cd61/modu... disclosure@vulncheck.com
- https://github.com/solanum-ircd/solanum/commit/2ce64debf65e9710e9eea099ada93dbf6655b5ff disclosure@vulncheck.com
- https://github.com/solanum-ircd/solanum/pull/551 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/solanum-before-commit-2ce64de-heap-buffer-overflow-vi... disclosure@vulncheck.com