| Name | CVE-2018-18312 |
| Description | Perl before 5.26.3 and 5.28.0 before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4347-1 |
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 | fixed |
| 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 | wheezy | (not affected) | | | |
| perl | source | jessie | (not affected) | | | |
| perl | source | stretch | 5.24.1-3+deb9u5 | | DSA-4347-1 | |
| perl | source | (unstable) | 5.28.1-1 | | | |
Notes
[jessie] - perl <not-affected> (Vulnerable code introduced later)
https://rt.perl.org/Ticket/Display.html?id=133423
maint-5.28: https://perl5.git.perl.org/perl.git/commitdiff/9b0464aa670d0a59bda5b75d54f2a6b6f9d1288a
[wheezy] - perl <not-affected> (Vulnerable code introduced later)