Heap-based Buffer Overflow Affecting php-pgsql package, versions *


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
3.59% (92nd percentile)

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  • Snyk IDSNYK-RHEL7-PHPPGSQL-1350236
  • published26 Jul 2021
  • disclosed24 Apr 2016

Introduced: 24 Apr 2016

CVE-2016-4537  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 php-pgsql.

NVD Description

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

The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 accepts a negative integer for the scale argument, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.

CVSS Scores

version 3.1