Critical 9.1Published Dec 7, 2018

CVE-2018-18313Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive information from process memory.

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive information from process memory.

CVSS: 9.1 CRITICAL (v3.0, NVD)CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness (CWE): CWE-125
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

perl perl perl:perl	before 5.26.3	NVD
canonical ubuntu_linux canonical:ubuntu_linux	12.04; 14.04; 16.04; 18.04; 18.10	NVD
debian debian_linux debian:debian_linux	9.0	NVD
redhat enterprise_linux redhat:enterprise_linux	6.0; 7.0; 7.4; 7.5; 7.6	NVD
netapp e-series_santricity_os_controller netapp:e-series_santricity_os_controller	from 11.0 through 11.40	NVD
netapp snap_creator_framework netapp:snap_creator_framework	all versions	NVD
netapp snapcenter netapp:snapcenter	all versions	NVD
netapp snapdrive netapp:snapdrive	all versions	NVD
apple mac_os_x apple:mac_os_x	before 10.14.4	NVD

References

References

http://seclists.org/fulldisclosure/2019/Mar/49	third-party-advisory
http://www.securitytracker.com/id/1042181	third-party-advisory, vdb-entry
https://access.redhat.com/errata/RHSA-2019:0001	third-party-advisory
https://access.redhat.com/errata/RHSA-2019:0010	third-party-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1646738	issue-tracking, patch, third-party-advisory
https://github.com/Perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62	patch, third-party-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/
https://metacpan.org/changes/release/SHAY/perl-5.26.3	third-party-advisory
https://rt.perl.org/Ticket/Display.html?id=133192	exploit, third-party-advisory
https://seclists.org/bugtraq/2019/Mar/42	mailing-list, 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.