CVE-2023-50784
HIGH
7.5
CVSS Score
Published: December 16, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 06:39 AM UTC
1 product affected across 1 vendorUnrealIRCd
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
6.1.0 ≤ v < 6.1.4
Affected range stops below 6.1.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://forums.unrealircd.org/viewtopic.php?t=9340
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BV6TFYPQOKYRGPEAKOWSO6PSCBV6LUR3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZT7QU4FCQBHYOYVD7FW5QAWNAQCSGLA/
References (6)
Release NotesVendor Advisory
Source: [email protected]
https://forums.unrealircd.org/viewtopic.php?t=9340Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/[email protected]/message/BV6TFYPQOKYRGPEAKOWSO6PSCBV6LUR3/Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/[email protected]/message/EZT7QU4FCQBHYOYVD7FW5QAWNAQCSGLA/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-120
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