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CVE-2018-18314

Published: 29 November 2018

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

Notes

AuthorNote
upstream
5.18 - 5.28
mdeslaur
trusty doesn't look affected

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
perl
Launchpad, Ubuntu, Debian
upstream
Released (5.28.1-1)
trusty Not vulnerable
(5.18.2-2ubuntu1.6)
xenial
Released (5.22.1-9ubuntu0.6)
bionic
Released (5.26.1-6ubuntu0.3)
cosmic
Released (5.26.2-7ubuntu0.1)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H