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CVE-2023-50784
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…
High7.5EPSS 1.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.9% · top 20% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (6)
- https://www.unrealircd.org/index/news (opens in a new tab)x_transferred
- https://forums.unrealircd.org/viewtopic.php?t=9340 (opens in a new tab)x_transferred
- FEDORA-2023-41f41fbb69 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2023-7c6c696102 (opens in a new tab)vendor-advisoryx_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/EZT7QU4FCQBHYOYVD7FW5QAWNAQCSGLA/ (opens in a new tab)
- https://lists.fedoraproject.org/archives/list/[email protected]/message/BV6TFYPQOKYRGPEAKOWSO6PSCBV6LUR3/ (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-50784)Record last updated .