CVE-2017-18205

NameCVE-2017-18205
DescriptionIn builtin.c in zsh before 5.4, when sh compatibility mode is used, there is a NULL pointer dereference during processing of the cd command with no argument if HOME is not set.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
zsh (PTS)buster, buster (security)5.7.1-1+deb10u1fixed
bullseye (security), bullseye5.8-6+deb11u1fixed
bookworm5.9-4fixed
sid, trixie5.9-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
zshsource(unstable)5.4.1-1unimportant

Notes

https://sourceforge.net/p/zsh/code/ci/eb783754bdb74377f3cea4ceca9c23a02ea1bf58
no security impact

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