| Name | CVE-2020-12723 |
| Description | regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | medium |
| Debian Bugs | 962005 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| perl (PTS) | stretch | 5.24.1-3+deb9u7 | fixed |
| stretch (security) | 5.24.1-3+deb9u5 | vulnerable | |
| buster | 5.28.1-6+deb10u1 | fixed | |
| bullseye | 5.32.1-4+deb11u2 | fixed | |
| bullseye (security) | 5.32.1-4+deb11u1 | fixed | |
| bookworm, sid | 5.32.1-6 | 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+deb9u7 | |||
| perl | source | buster | 5.28.1-6+deb10u1 | |||
| perl | source | (unstable) | 5.30.3-1 | 962005 |
https://github.com/perl/perl5/commit/66bbb51b93253a3f87d11c2695cfb7bdb782184a (v5.30.3)