CVE-2023-4156

NameCVE-2023-4156
DescriptionA heap out-of-bounds read flaw was found in builtin.c in the gawk package. This issue may lead to a crash and could be used to read sensitive information.
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
gawk (PTS)buster1:4.2.1+dfsg-1vulnerable
bullseye1:5.1.0-1vulnerable
bookworm, sid, trixie1:5.2.1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gawksource(unstable)1:5.2.1-1

Notes

[bullseye] - gawk <no-dsa> (Minor issue)
[buster] - gawk <postponed> (Minor issue, OOB read)
https://mail.gnu.org/archive/html/bug-gawk/2022-08/msg00000.html
https://mail.gnu.org/archive/html/bug-gawk/2022-08/msg00023.html
https://git.savannah.gnu.org/gitweb/?p=gawk.git;a=commitdiff;h=e709eb829448ce040087a3fc5481db6bfcaae212 (gawk-5.2.0)

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