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Improper Input Validation Affecting perl package, versions <5.20.2-3+deb8u5

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 3.05% (91st 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-DEBIAN8-PERL-327709
  • published 25 May 2016
  • disclosed 25 May 2016
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Introduced: 25 May 2016

CVE-2015-8853 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Debian:8 perl to version 5.20.2-3+deb8u5 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 Debian. See How to fix? for Debian:8 relevant fixed versions and status.

The (1) S_reghop3, (2) S_reghop4, and (3) S_reghopmaybe3 functions in regexec.c in Perl before 5.24.0 allow context-dependent attackers to cause a denial of service (infinite loop) via crafted utf-8 data, as demonstrated by "a\x80."

References