Heap-based Buffer Overflow Affecting php-odbc 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-PHPODBC-1350366
  • published26 Jul 2021
  • disclosed24 Apr 2016

Introduced: 24 Apr 2016

CVE-2016-4538  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

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

NVD Description

Note: Versions mentioned in the description apply only to the upstream php-odbc package and not the php-odbc 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 modifies certain data structures without considering whether they are copies of the zero, one, or two global variable, 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