Description
Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers to execute arbitrary code via a large item count.
References (9)
Core 9
Core References
Vendor Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2020.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3625-2/
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/103953
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/04/msg00009.html
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_confirm
https://rt.perl.org/Public/Bug/Display.html?id=131844
Scores
CVSS v3
9.8
EPSS
0.0390
EPSS Percentile
88.5%
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 (8)
canonical/ubuntu_linux
12.04
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
17.10
debian/debian_linux
7.0
debian/debian_linux
8.0
debian/debian_linux
9.0
perl/perl
< 5.26.2
Published
Apr 17, 2018
Tracked Since
Feb 18, 2026