CVE-2020-12723 @ morris
Status
new
Priority
7.0
Match score
4.0
Risk
DoS
Remote
CVSS
7.5 HIGH
Reason
cpe: perl; pkgs: perl; version: in-range: perl-5.16.3-299.0.1.el7_9.tuxcare.els1, perl-archive-extract-0.68-3.el7, perl-archive-tar-1.92-3.el7, perl-autodie-2.16-2.el7, perl-b-lint-1.17-3.el7, perl-business-isbn-2.06-2.el7; risk:dos
Created
2026-10-15T10:20:43Z
Updated
2026-10-20T10:18:51Z
Package interrogation (copy)
Run on the host — click to copy a command. RPM
| Package | Commands |
|---|---|
| perl-5.16.3-299.0.1.el7_9.tuxcare.els1 | |
| perl-archive-extract-0.68-3.el7 | |
| perl-archive-tar-1.92-3.el7 | |
| perl-autodie-2.16-2.el7 | |
| perl-b-lint-1.17-3.el7 | |
| perl-business-isbn-2.06-2.el7 | |
| cpanel-perl-536-5.36.0-10.cp108~el7 | |
| cpanel-perl-536-algorithm-dependency-1.112-1.cp108~el7 | |
| cpanel-perl-536-algorithm-diff-1.201-1.cp108~el7 | |
| cpanel-perl-536-aliased-0.34-1.cp108~el7 | |
| cpanel-perl-536-amazon-s3-0.54-1.cp108~el7 | |
| cpanel-perl-536-anyevent-7.17-1.cp108~el7 | |
| cpanel-perl-536-apache-logformat-compiler-0.36-1.cp108~el7 | |
| cpanel-perl-536-app-cmd-0.334-1.cp108~el7 | |
| cpanel-perl-536-app-cmddispatch-0.44-1.cp108~el7 | |
| cpanel-perl-536-appconfig-1.71-1.cp108~el7 | |
| cpanel-perl-536-app-cpanminus-1.7046-1.cp108~el7 | |
| cpanel-perl-536-archive-any-0.0946-1.cp108~el7 | |
| cpanel-perl-536-archive-extract-0.88-1.cp108~el7 | |
| cpanel-perl-536-archive-tar-builder-2.5005-1.cp108~el7 | |
| cpanel-perl-536-archive-tar-stream-0.02-1.cp108~el7 | |
| cpanel-perl-536-archive-tar-wrapper-0.38-1.cp108~el7 | |
| cpanel-perl-536-archive-zip-1.68-1.cp108~el7 | |
| cpanel-perl-536-authen-libwrap-0.23-1.cp108~el7 | |
| cpanel-perl-536-authen-pam-0.16-1.cp108~el7 | |
| cpanel-perl-536-authen-sasl-2.16-1.cp108~el7 | |
| cpanel-perl-536-bareword-filehandles-0.007-1.cp108~el7 | |
| cpanel-perl-536-b-c-5.036001-1.cp108~el7 | |
| cpanel-perl-536-b-cow-0.004-1.cp108~el7 | |
| cpanel-perl-536-b-debug-1.26-1.cp108~el7 | |
| cpanel-perl-536-b-flags-0.17-1.cp108~el7 | |
| cpanel-perl-536-b-hooks-endofscope-0.26-1.cp108~el7 | |
| cpanel-perl-536-b-hooks-op-check-0.22-1.cp108~el7 | |
| cpanel-perl-536-b-keywords-1.24-1.cp108~el7 | |
| cpanel-perl-536-b-lint-1.20-1.cp108~el7 | |
| cpanel-perl-536-bsd-resource-1.2911-1.cp108~el7 |
Inventory lookup
Search package inventory across systems, then return here. Create a ticket on systems the matcher missed.
Suggestions: perl · perl-archive-extract · perl-archive-tar · perl-autodie · perl-b-lint · perl-business-isbn
Related CVE (same fix)
Point this ticket’s CVE at a higher-priority / same-fix primary so you only triage one.
Host OS / kernel
OS
CloudLinux release 7.9 (Boris Yegorov)
(7.9)
· cloudlinux
Arch
x86_64
kernel_release
uname -r → 3.10.0-962.3.2.lve1.5.89.el7.x86_64kernel_version
uname -v → #1 SMP Thu Jul 9 15:55:31 UTC 2026For Linux kernel CVEs, kernel_version (Debian packaging / build string) often decides fixed vs not; kernel_release is used for upstream NVD range compares.
Same CVE on other hosts
Open the ticket for this CVE on another system.
| System | Status | Priority | Updated | |
|---|---|---|---|---|
| mufasa | new | 7.0 | 2026-10-20T10:18:51Z | Open |
| Library | new | 1.75 | 2026-10-20T10:18:51Z | Open |
| Archive | new | 0.62 | 2026-10-20T10:18:51Z | Open |
| Janus | new | 0.62 | 2026-10-20T10:18:51Z | Open |
| Saiph | new | 0.62 | 2026-10-20T10:18:51Z | Open |
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.
Update status
Add note only
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html
- https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod
- https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3
- https://github.com/Perl/perl5/issues/16947
- https://github.com/Perl/perl5/issues/17743
- https://github.com/perl/perl5/commit/66bbb51b93253a3f87d11c2695cfb7bdb782184a
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/
- https://security.gentoo.org/glsa/202006-03
- https://security.netapp.com/advisory/ntap-20200611-0001/
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
NVD: CVE-2020-12723