vulnerability
Red Hat: CVE-2022-31630: OOB read due to insufficient input validation in imageloadfont() (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:L/Au:N/C:P/I:N/A:P) | Nov 14, 2022 | Feb 22, 2023 | Jun 17, 2026 |
Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:P)
Published
Nov 14, 2022
Added
Feb 22, 2023
Modified
Jun 17, 2026
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
redhat-upgrade-apcu-panelredhat-upgrade-libzipredhat-upgrade-libzip-debuginforedhat-upgrade-libzip-debugsourceredhat-upgrade-libzip-develredhat-upgrade-libzip-toolsredhat-upgrade-libzip-tools-debuginforedhat-upgrade-phpredhat-upgrade-php-bcmathredhat-upgrade-php-bcmath-debuginforedhat-upgrade-php-cliredhat-upgrade-php-cli-debuginforedhat-upgrade-php-commonredhat-upgrade-php-common-debuginforedhat-upgrade-php-dbaredhat-upgrade-php-dba-debuginforedhat-upgrade-php-dbgredhat-upgrade-php-dbg-debuginforedhat-upgrade-php-debuginforedhat-upgrade-php-debugsourceredhat-upgrade-php-develredhat-upgrade-php-embeddedredhat-upgrade-php-embedded-debuginforedhat-upgrade-php-enchantredhat-upgrade-php-enchant-debuginforedhat-upgrade-php-ffiredhat-upgrade-php-ffi-debuginforedhat-upgrade-php-fpmredhat-upgrade-php-fpm-debuginforedhat-upgrade-php-gdredhat-upgrade-php-gd-debuginforedhat-upgrade-php-gmpredhat-upgrade-php-gmp-debuginforedhat-upgrade-php-intlredhat-upgrade-php-intl-debuginforedhat-upgrade-php-jsonredhat-upgrade-php-json-debuginforedhat-upgrade-php-ldapredhat-upgrade-php-ldap-debuginforedhat-upgrade-php-mbstringredhat-upgrade-php-mbstring-debuginforedhat-upgrade-php-mysqlndredhat-upgrade-php-mysqlnd-debuginforedhat-upgrade-php-odbcredhat-upgrade-php-odbc-debuginforedhat-upgrade-php-opcacheredhat-upgrade-php-opcache-debuginforedhat-upgrade-php-pdoredhat-upgrade-php-pdo-debuginforedhat-upgrade-php-pearredhat-upgrade-php-pecl-apcuredhat-upgrade-php-pecl-apcu-debuginforedhat-upgrade-php-pecl-apcu-debugsourceredhat-upgrade-php-pecl-apcu-develredhat-upgrade-php-pecl-rrdredhat-upgrade-php-pecl-rrd-debuginforedhat-upgrade-php-pecl-rrd-debugsourceredhat-upgrade-php-pecl-xdebugredhat-upgrade-php-pecl-xdebug-debuginforedhat-upgrade-php-pecl-xdebug-debugsourceredhat-upgrade-php-pecl-xdebug3redhat-upgrade-php-pecl-xdebug3-debuginforedhat-upgrade-php-pecl-xdebug3-debugsourceredhat-upgrade-php-pecl-zipredhat-upgrade-php-pecl-zip-debuginforedhat-upgrade-php-pecl-zip-debugsourceredhat-upgrade-php-pgsqlredhat-upgrade-php-pgsql-debuginforedhat-upgrade-php-processredhat-upgrade-php-process-debuginforedhat-upgrade-php-snmpredhat-upgrade-php-snmp-debuginforedhat-upgrade-php-soapredhat-upgrade-php-soap-debuginforedhat-upgrade-php-xmlredhat-upgrade-php-xml-debuginforedhat-upgrade-php-xmlrpcredhat-upgrade-php-xmlrpc-debuginfo
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.