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


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
71.41% (99th percentile)

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  • Snyk IDSNYK-RHEL6-PHPTIDY-1397791
  • published26 Jul 2021
  • disclosed9 Dec 2018

Introduced: 9 Dec 2018

CVE-2019-6977  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:6 php-tidy.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php-tidy package and not the php-tidy package as distributed by RHEL. See How to fix? for RHEL:6 relevant fixed versions and status.

gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger imagecolormatch calls with crafted image data.

References