vulnerability

Alpine Linux: CVE-2022-31630: Incorrect Calculation of Buffer Size

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:P)
Published
Nov 14, 2022
Added
Aug 22, 2024
Modified
Aug 8, 2025

Description

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. 

Solutions

alpine-linux-upgrade-php7alpine-linux-upgrade-php8alpine-linux-upgrade-php81alpine-linux-upgrade-php82
Title
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