CVE-2021-29376

HIGH

ircii < 20210314 - Denial of Service via Crafted CTCP UTC Message

Title source: llm
STIX 2.1

Description

ircII before 20210314 allows remote attackers to cause a denial of service (segmentation fault and client crash, disconnecting the victim from an IRC server) via a crafted CTCP UTC message.

References (5)

Core 5
Core References
Mailing List, Third Party Advisory x_refsource_misc
https://www.openwall.com/lists/oss-security/2021/03/24/2
Product, Vendor Advisory x_refsource_misc
http://www.eterna.com.au/ircii/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/03/30/4
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/08/msg00022.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/08/msg00023.html

Scores

CVSS v3 7.5
EPSS 0.0232
EPSS Percentile 81.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (2)
debian/debian_linux 9.0
eterna/ircii < 20210314
Published Mar 30, 2021
Tracked Since Feb 18, 2026