CVE-2018-6798

NameCVE-2018-6798
DescriptionAn issue was discovered in Perl 5.22 through 5.26. Matching a crafted locale dependent regular expression can cause a heap-based buffer over-read and potentially information disclosure.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
perl (PTS)wheezy5.14.2-21+deb7u3fixed
wheezy (security)5.14.2-21+deb7u6fixed
jessie5.20.2-3+deb8u9fixed
jessie (security)5.20.2-3+deb8u10fixed
stretch5.24.1-3+deb9u2vulnerable
stretch (security)5.24.1-3+deb9u3fixed
buster5.26.1-6fixed
sid5.26.2-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
perlsource(unstable)5.26.1-6
perlsourcejessie(not affected)
perlsourcestretch5.24.1-3+deb9u3
perlsourcewheezy(not affected)

Notes

[jessie] - perl <not-affected> (Issue introduced later)
[wheezy] - perl <not-affected> (Issue introduced later)
https://rt.perl.org/Public/Bug/Display.html?id=132063
maint-5.26: https://perl5.git.perl.org/perl.git/commitdiff/8e6f44c90c7fa1f63c19a44c45482b09a407e15b
maint-5.26: https://perl5.git.perl.org/perl.git/commitdiff/8b80ce67ff257aaa36e47eaf4194d27a51595524
maint-5.24: https://perl5.git.perl.org/perl.git/commitdiff/0abf1e8d89aecd32dbdabda5da4d52a2d57a7cff
maint-5.24: https://perl5.git.perl.org/perl.git/commitdiff/f65da1ca2eee74696d9c120e9d69af37b4fa1920

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