Is CVE-2018-18313 being actively exploited?

CVE-2018-18313 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2018-18313?

CVE-2018-18313 has a CVSS 3.0 base score of 9.1 (CRITICAL).

CVE-2018-18313

CRITICAL · CVSS 9.1EPSS 9.5%EU EUVD

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

Key facts

CVSS score: 9.1 (v3.0)
Severity: CRITICAL
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness (CWE): CWE-125
EPSS score: 9.5% (95th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2018-10046)
Published: December 7, 2018
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2018-10046 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.

View on the EU Vulnerability Database

Affected products

apple / mac os x
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
netapp / e-series santricity os controller
netapp / snap creator framework
netapp / snapcenter
netapp / snapdrive
perl / perl
redhat / enterprise linux
redhat / enterprise linux
redhat / enterprise linux
redhat / enterprise linux
redhat / enterprise linux

Certified products that may be affected

10 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 7 NSS Cryptographic Module - Red Hat®, Inc. - FIPS 140 4498 - historical
Red Hat Enterprise Linux 7 Kernel Crypto API Cryptographic Module - Red Hat®, Inc. - FIPS 140 3939 - historical
Red Hat Enterprise Linux 7 OpenSSH Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 3891 - historical
Red Hat Enterprise Linux 7 OpenSSH Client Cryptographic Module - Red Hat®, Inc. - FIPS 140 3892 - historical
Red Hat Enterprise Linux 7 OpenSSL Cryptographic Module - Red Hat®, Inc. - FIPS 140 3867 - historical

See all 10 in the Security Certifications Explorer.

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)
https://security.gentoo.org/glsa/201909-01
https://security.netapp.com/advisory/ntap-20190221-0003/(Third Party Advisory)
https://support.apple.com/kb/HT209600(Third Party Advisory)
https://usn.ubuntu.com/3834-1/(Third Party Advisory)
https://usn.ubuntu.com/3834-2/(Third Party Advisory)
https://www.debian.org/security/2018/dsa-4347(Third Party Advisory)
https://www.oracle.com/security-alerts/cpujul2020.html

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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