CVE-2021-29376

NameCVE-2021-29376
DescriptionircII 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2746-1, DLA-2747-1
NVD severitymedium
Debian Bugs986214, 986215

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ircii (PTS)stretch20151120-1vulnerable
stretch (security)20151120-1+deb9u1fixed
buster20190117-1+deb10u1fixed
bullseye20210314+really20190117-1fixed
bookworm, sid20210328-2fixed
scrollz (PTS)stretch2.2.3-1vulnerable
stretch (security)2.2.3-1+deb9u1fixed
buster2.2.3-1+deb10u1fixed
bookworm, sid, bullseye2.2.3-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
irciisourcestretch20151120-1+deb9u1DLA-2747-1
irciisourcebuster20190117-1+deb10u1
irciisource(unstable)20210314-1986214
ircii-panasource(unstable)(unfixed)
scrollzsourcestretch2.2.3-1+deb9u1DLA-2746-1
scrollzsourcebuster2.2.3-1+deb10u1
scrollzsource(unstable)2.2.3-2986215

Notes

https://www.openwall.com/lists/oss-security/2021/03/24/2
https://github.com/ScrollZ/ScrollZ/issues/25

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