Description
An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.
References (8)
Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1042004
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1192
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1040681
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3625-1/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4172
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201909-01
Vendor Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2020.html
Patch, Vendor Advisory x_refsource_confirm
https://rt.perl.org/Public/Bug/Display.html?id=132227
Scores
CVSS v3
9.8
EPSS
0.0147
EPSS Percentile
81.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (12)
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
17.10
debian/debian_linux
8.0
debian/debian_linux
9.0
perl/perl
5.18 - 5.26
redhat/enterprise_linux_server
7.0
redhat/enterprise_linux_server
7.3
redhat/enterprise_linux_server
7.4
redhat/enterprise_linux_server
7.5
redhat/enterprise_linux_server
7.6
... and 2 more
Published
Apr 17, 2018
Tracked Since
Feb 18, 2026