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CVE-2018-18312 Perl

Affected softwarePerl
Severity9.8 Critical CVSS 3.0 2 scores
WeaknessBuffer errors (CWE-119)
Published5 Dec 2018
Updated17 Jun 2026

Description

Perl before 5.26.3 and 5.28.0 before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 7 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 13% chance in 30 days A model's forecast, not a report of exploitation. Higher than 96% of all scored CVEs.

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

CVSS

9.8 CRITICAL v3.0 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.0 9.8 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H NVD Primary published
CVSS 2.0 7.5 none AV:N/AC:L/Au:N/C:P/I:P/A:P NVD Primary

Affected software and releases

Products and versions

8 products, 16 version entries
SourceVendorProductSchemeAffected versions
nvd canonical ubuntu linux generic 14.04 · 16.04 · 18.04 · 18.10
nvd debian debian linux generic 9.0
nvd netapp e-series santricity os controller generic ≥ 11.0 and ≤ 11.40
nvd netapp snap creator framework generic any version
nvd netapp snapcenter generic any version
nvd netapp snapdrive generic any version
nvd perl perl generic < 5.26.3 · ≥ 5.28.0 and < 5.28.1
nvd redhat enterprise linux generic 6.0 · 7.0 · 7.4 · 7.5 · 7.6

References

URLTags
http://www.securityfocus.com/bid/106179 Third Party Advisory, VDB Entry
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=1646734 Issue Tracking, 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://metacpan.org/changes/release/SHAY/perl-5.28.1 Third Party Advisory
https://rt.perl.org/Public/Bug/Display.html?id=133423 Exploit, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201909-01

Timeline

Published2018-12-05By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.