High 7.5Published Jun 5, 2020

CVE-2020-12723regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.

Updated under an hour ago (Oct 27, 2026, 11:20 AM ET)

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It affects Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP and 18 other products. Add what you run to find out whether that includes you.

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Every CVE for Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP

Exploited in the last 30 days

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

CVSS: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
perl perl perl:perl	before 5.30.3	NVD
netapp oncommand_workflow_automation netapp:oncommand_workflow_automation	all versions	NVD
netapp snap_creator_framework netapp:snap_creator_framework	all versions	NVD
fedoraproject fedora fedoraproject:fedora	31	NVD
opensuse leap opensuse:leap	15.1	NVD
oracle communications_billing_and_revenue_management oracle:communications_billing_and_revenue_management	12.0.0.2.0; 12.0.0.3.0	NVD
oracle communications_diameter_signaling_router oracle:communications_diameter_signaling_router	from 8.0.0 through 8.5.0	NVD
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References

References

https://security.gentoo.org/glsa/202006-03	vendor-advisory, x-refsource-gentoo, third-party-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/	vendor-advisory, x-refsource-fedora
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html	vendor-advisory, x-refsource-suse, mailing-list, third-party-advisory
https://www.oracle.com/security-alerts/cpuoct2020.html	x-refsource-misc, patch, third-party-advisory
https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3	x-refsource-confirm, patch, third-party-advisory
https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod	x-refsource-confirm, third-party-advisory
https://security.netapp.com/advisory/ntap-20200611-0001/	x-refsource-confirm, third-party-advisory
https://github.com/Perl/perl5/issues/16947	x-refsource-misc, third-party-advisory
https://github.com/Perl/perl5/issues/17743	x-refsource-misc, third-party-advisory
https://github.com/perl/perl5/commit/66bbb51b93253a3f87d11c2695cfb7bdb782184a	x-refsource-confirm, patch, third-party-advisory
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.