vulnerability
Alma Linux: CVE-2025-6491: Moderate: php:8.3 security update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:N/I:N/A:C) | Dec 16, 2025 | Dec 24, 2025 | Feb 3, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
Dec 16, 2025
Added
Dec 24, 2025
Modified
Feb 3, 2026
Description
In PHP versions:8.1.* before 8.1.33, 8.2.* before 8.2.29, 8.3.* before 8.3.23, 8.4.* before 8.4.10 when parsing XML data in SOAP extensions, overly large (>2Gb) XML namespace prefix may lead to null pointer dereference. This may lead to crashes and affect the availability of the target server.
Solutions
alma-upgrade-apcu-panelalma-upgrade-libzipalma-upgrade-libzip-develalma-upgrade-libzip-toolsalma-upgrade-phpalma-upgrade-php-bcmathalma-upgrade-php-clialma-upgrade-php-commonalma-upgrade-php-dbaalma-upgrade-php-dbgalma-upgrade-php-develalma-upgrade-php-embeddedalma-upgrade-php-enchantalma-upgrade-php-ffialma-upgrade-php-fpmalma-upgrade-php-gdalma-upgrade-php-gmpalma-upgrade-php-intlalma-upgrade-php-ldapalma-upgrade-php-mbstringalma-upgrade-php-mysqlndalma-upgrade-php-odbcalma-upgrade-php-opcachealma-upgrade-php-pdoalma-upgrade-php-pearalma-upgrade-php-pecl-apcualma-upgrade-php-pecl-apcu-develalma-upgrade-php-pecl-redis6alma-upgrade-php-pecl-rrdalma-upgrade-php-pecl-xdebug3alma-upgrade-php-pecl-zipalma-upgrade-php-pgsqlalma-upgrade-php-processalma-upgrade-php-snmpalma-upgrade-php-soapalma-upgrade-php-xml
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