GHSA-35WC-CVQG-78FP twig/intl-extra: Unbounded formatter memoisation in keyed on template-controlled arguments

Description IntlExtension memoises every \IntlDateFormatter and \NumberFormatter it creates in instance-level arrays keyed on a hash that includes locale, pattern, attrs and other values that are ordinary named arguments of the formatdatetime / formatdate / formattime / formatnumber /...

PT-2026-42172

Name of the Vulnerable Software and Affected Versions twig/intl-extra affected versions not specified Description IntlExtension memoises every IntlDateFormatter and NumberFormatter it creates in instance-level arrays. These arrays are keyed on a hash including locale, pattern, and attrs, which ar...

Unbounded formatter memoisation in twig/intl-extra keyed on template-controlled arguments

More info at https://symfony.com/cve-2026-46629...