CVE-2020-12723

NameCVE-2020-12723
Descriptionregcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs962005

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
perl (PTS)buster5.28.1-6+deb10u1fixed
bullseye5.32.1-4+deb11u3fixed
bullseye (security)5.32.1-4+deb11u1fixed
bookworm5.36.0-7+deb12u1fixed
trixie5.38.2-3fixed
sid5.38.2-3.2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
perlsourcestretch5.24.1-3+deb9u7
perlsourcebuster5.28.1-6+deb10u1
perlsource(unstable)5.30.3-1962005

Notes

https://github.com/perl/perl5/commit/66bbb51b93253a3f87d11c2695cfb7bdb782184a (v5.30.3)

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