| Name | CVE-2018-6797 |
| Description | An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written. |
| Source | CVE (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 Package | Release | Version | Status |
|---|
| perl (PTS) | jessie, jessie (lts) | 5.20.2-3+deb8u14 | vulnerable |
| stretch (security) | 5.24.1-3+deb9u5 | fixed |
| stretch (lts), stretch | 5.24.1-3+deb9u8 | fixed |
| buster, buster (lts) | 5.28.1-6+deb10u2 | fixed |
| bullseye | 5.32.1-4+deb11u3 | fixed |
| bullseye (security) | 5.32.1-4+deb11u4 | fixed |
| bookworm | 5.36.0-7+deb12u1 | fixed |
| sid, trixie | 5.40.0-7 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| perl | source | stretch | 5.24.1-3+deb9u3 | | | |
| perl | source | (unstable) | 5.26.1-6 | | | |
Notes
[jessie] - perl <ignored> (Backport of fixes too intrusive and risky for regressions)
[wheezy] - perl <ignored> (Backport of fixes too intrusive and risky for regressions)
https://rt.perl.org/Public/Bug/Display.html?id=132227
maint-5.26: https://perl5.git.perl.org/perl.git/commitdiff/abe1e6c568b96bcb382dfa4f61c56d1ab001ea51
maint-5.24: https://perl5.git.perl.org/perl.git/commitdiff/510cc261d965ccfa427900ebb368fc4d337442d2