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Out-of-Bounds Affecting perl package, versions <5.22.1-9ubuntu0.2

medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 1.86% (89th percentile)
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NVD
7.5 high
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Red Hat
5.9 medium

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  • Snyk ID SNYK-UBUNTU1604-PERL-327687
  • published 19 Sep 2017
  • disclosed 19 Sep 2017
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Introduced: 19 Sep 2017

CVE-2017-12837 Open this link in a new tab
CWE-119 Open this link in a new tab

How to fix?

Upgrade Ubuntu:16.04 perl to version 5.22.1-9ubuntu0.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perl package and not the perl package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

Heap-based buffer overflow in the S_regatom function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to cause a denial of service (out-of-bounds write) via a regular expression with a '\N{}' escape and the case-insensitive modifier.