NULL Pointer Dereference Affecting php-common package, versions <0:7.3.20-1.module+el8.2.0+7373+b272fdef


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.32% (71st percentile)

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  • Snyk ID SNYK-CENTOS8-PHPCOMMON-2045826
  • published 26 Jul 2021
  • disclosed 27 Jun 2019

How to fix?

Upgrade Centos:8 php-common to version 0:7.3.20-1.module+el8.2.0+7373+b272fdef or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php-common package and not the php-common package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

A NULL Pointer Dereference in match_at() in regexec.c in Oniguruma 6.9.2 allows attackers to potentially cause denial of service by providing a crafted regular expression. Oniguruma issues often affect Ruby, as well as common optional libraries for PHP and Rust.

CVSS Scores

version 3.1
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NVD

6.5 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

SUSE

6.5 medium