GHSA-64vj-933f-6pm3 eZ Platform Object Injection in SiteAccessMatchListener

• Packagist ezsystems/ezpublish-kernel: >= 7.5.0, < 7.5.8 → fixed in 7.5.8 • Packagist ezsystems/ezpublish-kernel: >= 6.13.0, < 6.13.6.4 → fixed in 6.13.6.4 • Packagist ezsystems/ezpublish-kernel: >= 5.4.0, < 5.4.15 → fixed in 5.4.15

This Security Advisory is about an object injection vulnerability in the SiteAccessMatchListener of eZ Platform, which could lead to remote code execution (RCE), a very serious threat. All sites may be affected. Update: There are bugs introduced by this fix, particularly but not limited to compound siteaccess matchers. These have been fixed in ezsystems/ezplatform-kernel v1.0.3, and in ezsystems/ezpublish-kernel v7.5.8, v6.13.6.4, and v5.4.15.