CVE-2023-50784

High

Description

A buffer overflow in websockets in UnrealIRCd 6.1.0 through 6.1.3 before 6.1.4 allows an unauthenticated remote attacker to crash the server by sending an oversized packet (if a websocket port is open). Remote code execution might be possible on some uncommon, older platforms.

SeverityHigh

CVSS7.5

Exploit probability—

ProductUnrealircd

PublishedDec 16, 2023

First seenDec 16, 2023

How to fix

Update

unrealircd unrealircd6.1.4 or later

Vendor advisories

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BV6TFYPQOKYRGPEAKOWSO6PSCBV6LUR3/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZT7QU4FCQBHYOYVD7FW5QAWNAQCSGLA/

Affected products

Product	Affected versions	Fixed in
unrealircd unrealircd	6.1.0 ≤ v < 6.1.4	6.1.4

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