What’s Vulnerable › Vulnerabilities
CVE-2020-12723
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 6.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-06-05 · updated 2026-10-14
- Weakness: CWE-120
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.
Affected products
- Fedoraproject Fedora: 31
- NetApp OnCommand Workflow Automation: all versions
- NetApp Snap Creator Framework: all versions
- openSUSE Leap: 15.1
- Oracle Corporation Communications Billing and Revenue Management: 12.0.0.2.0, 12.0.0.3.0
- Oracle Corporation Communications Diameter Signaling Router (DSR): from 8.0.0 through 8.5.0
- Oracle Communications Eagle Application Processor: from 16.1.0 through 16.4.0
- Oracle Communications Eagle Lnp Application Processor: 10.1, 10.2
- Oracle Communications Lsms: from 13.1 through 13.4
- Oracle Communications Offline Mediation Controller: 12.0.0.3.0
- Oracle Communications Performance Intelligence Center: from 10.3.0.0.0 through 10.3.0.2.1; from 10.4.0.1.0 through 10.4.0.3.1
- Oracle Corporation Configuration Manager: 12.1.2.0.8
- Oracle Corporation Enterprise Manager Base Platform: 13.4.0.0
- Oracle Corporation SD-WAN Edge: 8.2, 9.0, 9.1
- Oracle Tekelec Platform Distribution: from 7.4.0 through 7.7.1
- perl: before 5.30.3 — fixed in 5.30.3
How to fix
Upgrade to a fixed version: perl 5.30.3. Check the vendor advisory for mitigations.
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
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