CVE-2020-12723

high

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.

References

Advisories
More

https://www.oracle.com/security-alerts/cpuoct2021.html

https://www.oracle.com/security-alerts/cpuoct2020.html

https://www.oracle.com/security-alerts/cpujan2022.html

https://www.oracle.com/security-alerts/cpujan2021.html

https://www.oracle.com/security-alerts/cpuapr2022.html

https://www.oracle.com/security-alerts/cpuApr2021.html

https://www.oracle.com//security-alerts/cpujul2021.html

https://security.netapp.com/advisory/ntap-20200611-0001/

https://security.gentoo.org/glsa/202006-03

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/

https://github.com/perl/perl5/commit/66bbb51b93253a3f87d11c2695cfb7bdb782184a

https://github.com/Perl/perl5/issues/17743

https://github.com/Perl/perl5/issues/16947

https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3

https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-5011

Details

Source: Mitre, NVD

Published: 2020-06-05

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00159