Out-of-bounds Read Affecting php:7.4/php-pecl-apcu package, versions <0:5.1.18-1.module_el8.6.0+3239+bedf0508


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-ALMALINUX8-PHP-5619434
  • published28 May 2023
  • disclosed28 Feb 2023

Introduced: 28 Feb 2023

CVE-2022-31630  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 php:7.4/php-pecl-apcu to version 0:5.1.18-1.module_el8.6.0+3239+bedf0508 or higher.
This issue was patched in ALSA-2023:2903.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php:7.4/php-pecl-apcu package and not the php:7.4/php-pecl-apcu package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information.

CVSS Scores

version 3.1