CVE-2017-15721

NameCVE-2017-15721
DescriptionIn Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a separate, but similar, issue relative to CVE-2017-9468.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1217-1, DSA-4016-1
Debian Bugs879521

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
irssi (PTS)jessie, jessie (lts)0.8.17-1+deb8u5fixed
stretch (security), stretch (lts), stretch1.0.7-1~deb9u2fixed
buster1.2.0-2+deb10u1fixed
bullseye1.2.3-1fixed
bookworm1.4.3-2fixed
sid, trixie1.4.5-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
irssisourcewheezy0.8.15-5+deb7u4DLA-1217-1
irssisourcejessie0.8.17-1+deb8u5DSA-4016-1
irssisourcestretch1.0.2-1+deb9u3DSA-4016-1
irssisource(unstable)1.0.5-1879521

Notes

https://irssi.org/security/irssi_sa_2017_10.txt
https://github.com/irssi/irssi/commit/43e44d553d44e313003cee87e6ea5e24d68b84a1

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