| Name | CVE-2020-10543 |
| Description | Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers have an integer overflow. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | ELA-238-1 |
| Debian Bugs | 962005 |
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 | vulnerable |
| 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 | (unfixed) | end-of-life | | |
| perl | source | jessie | 5.20.2-3+deb8u13 | | ELA-238-1 | |
| perl | source | stretch | 5.24.1-3+deb9u7 | | | |
| perl | source | buster | 5.28.1-6+deb10u1 | | | |
| perl | source | (unstable) | 5.30.3-1 | | | 962005 |
Notes
https://github.com/perl/perl5/commit/897d1f7fd515b828e4b198d8b8bef76c6faf03ed (v5.30.3)