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Hot Patch

Security incidents tagged Hot Patch. Newest first.

1 Hot Patch incident in the last 12 months

Critical 4 · High 3 · Med 2 · Low 1 · Update ½LessMore
Incidents
1
Live
1
Patched
1
Days without an incident
1
Longest quiet run: 0 days

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  • Patched

    UnrealIRCd before 6.2.7.1: any normal user can run commands with server/IRCOp authority (critical CVE-2026-114713) plus 8 more fixes

    UnrealIRCd released 6.2.7.1 and a no-restart hot-patch (bundle-20261107) on Nov 7 2026 fixing 9 security issues found in an AI-assisted internal audit. The critical one, CVE-2026-114713, is in the labeled-response module, which does not escape the IRCv3 "label" message tag when echoing it into replies; on a network with two or more linked servers any ordinary user can inject server-to-server commands that run with server or IRCOp authority (KILL, GLINE and more). Maintainer Syzop calls it the most critical issue found in UnrealIRCd in the past 15 years. The other 8 fixes cover two IP-address leaks (including "decloaking" another user), a blacklist-recheck hang, a user-triggerable crash on CHGIDENT from Services, a counting error that can lock out all new connections with "This server is full", no cap on how many bans Services can set (now 2x set::maxbans), a TLS renegotiation flood issue and a possible whowasdb crash. UnrealIRCd 5 (end of life since 2023) is also affected by the critical bug. Apply the SPAMFILTER workaround first, then hot-patch or upgrade.

    UnrealIRCdSince Nov 7, 2026

Posts 2