CVE-2018-18314

high-risk
Published 2018-12-07

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

Do I need to act?

~
5.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (15)

Affected Vendors

Debian Redhat Perl Canonical Netapp

References (28)

Third Party Advisory http://www.securityfocus.com/bid/106145
Third Party Advisory http://www.securitytracker.com/id/1042181
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:0001
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:0010
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1646751
Patch https://github.com/Perl/perl5/commit/19a498a461d7c81ae3507c450953d1148efecf4f
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://metacpan.org/changes/release/SHAY/perl-5.26.3
Exploit https://rt.perl.org/Ticket/Display.html?id=131649
https://security.gentoo.org/glsa/201909-01
Patch https://security.netapp.com/advisory/ntap-20190221-0003/
Third Party Advisory https://usn.ubuntu.com/3834-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4347
https://www.oracle.com/security-alerts/cpujul2020.html
Third Party Advisory http://www.securityfocus.com/bid/106145
Third Party Advisory http://www.securitytracker.com/id/1042181
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:0001
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:0010
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1646751
Patch https://github.com/Perl/perl5/commit/19a498a461d7c81ae3507c450953d1148efecf4f
and 8 more references
58
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 8/34 · Low
Exposure 18/34 · Moderate