CVE-2020-12723

Name: CVE-2020-12723
Creator: NVD / NIST
Published: 2020-06-05T15:15:10.8+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 5.97%

Last modified Jun 17, 2026

CVE-2020-12723 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.. EPSS estimates a 5.97% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

5.97%

92.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Perl	Perl	< 5.30.3
Netapp	Oncommand Workflow Automation	All versions
Netapp	Snap Creator Framework	All versions
Fedoraproject	Fedora	31
Opensuse	Leap	15.1
Oracle	Communications Billing And Revenue Management	12.0.0.2.0
Oracle	Communications Billing And Revenue Management	12.0.0.3.0
Oracle	Communications Diameter Signaling Router	>= 8.0.0, <= 8.5.0
Oracle	Communications Eagle Application Processor	>= 16.1.0, <= 16.4.0
Oracle	Communications Eagle Lnp Application Processor	10.1
Oracle	Communications Eagle Lnp Application Processor	10.2
Oracle	Communications Lsms	>= 13.1, <= 13.4
Oracle	Communications Offline Mediation Controller	12.0.0.3.0
Oracle	Communications Performance Intelligence Center	>= 10.3.0.0.0, <= 10.3.0.2.1
Oracle	Communications Performance Intelligence Center	>= 10.4.0.1.0, <= 10.4.0.3.1
Oracle	Configuration Manager	12.1.2.0.8
Oracle	Enterprise Manager Base Platform	13.4.0.0
Oracle	Sd-Wan Edge	8.2
Oracle	Sd-Wan Edge	9.0
Oracle	Sd-Wan Edge	9.1
Oracle	Tekelec Platform Distribution	>= 7.4.0, <= 7.7.1

References

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.htmlMailing List, Third Party Advisory
https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.podThird Party Advisory
https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3Patch, Third Party Advisory
https://github.com/Perl/perl5/issues/16947Third Party Advisory
https://github.com/Perl/perl5/issues/17743Third Party Advisory
https://github.com/perl/perl5/commit/66bbb51b93253a3f87d11c2695cfb7bdb782184aPatch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/
https://security.gentoo.org/glsa/202006-03Third Party Advisory
https://security.netapp.com/advisory/ntap-20200611-0001/Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.htmlMailing List, Third Party Advisory
https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.podThird Party Advisory
https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3Patch, Third Party Advisory
https://github.com/Perl/perl5/issues/16947Third Party Advisory
https://github.com/Perl/perl5/issues/17743Third Party Advisory
https://github.com/perl/perl5/commit/66bbb51b93253a3f87d11c2695cfb7bdb782184aPatch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/
https://security.gentoo.org/glsa/202006-03Third Party Advisory
https://security.netapp.com/advisory/ntap-20200611-0001/Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory

Timeline

Published: Jun 5, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12723?

regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.

How severe is CVE-2020-12723?

CVE-2020-12723 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 5.97% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12723?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12723?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST