Uncontrolled Recursion Affecting rh-php56-php-pgsql package, versions <0:5.6.25-1.el7


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
30.57% (97th percentile)

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  • Snyk IDSNYK-RHEL7-RHPHP56PHPPGSQL-4695370
  • published26 Jul 2021
  • disclosed11 Jul 2014

Introduced: 11 Jul 2014

CVE-2015-2327  (opens in a new tab)
CWE-674  (opens in a new tab)

How to fix?

Upgrade RHEL:7 rh-php56-php-pgsql to version 0:5.6.25-1.el7 or higher.
This issue was patched in RHSA-2016:2750.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rh-php56-php-pgsql package and not the rh-php56-php-pgsql package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

PCRE before 8.36 mishandles the /(((a\2)|(a*)\g<-1>))*/ pattern and related patterns with certain internal recursive back references, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

CVSS Scores

version 3.1