GCVE-110-MAGEIA-2026-301

CVE-2026-42533: Heap buffer overflow might occur in a worker process when using the map directive with regex matching if the map variable was included in a string expression after a capture affected by this map; a similar issue might happen when using a non-cacheable variable in a string expression. Thanks to Mufeed VH of Winfunc Research and Maxim Dounin. . CVE-2026-60005: Uninitialized memory access might occur when using unnamed regex captures with the "slice" directive or background cache update, which could result in worker process memory disclosure or worker process termination. . CVE-2026-56434: Use-after-free might occur when processing a specially crafted proxied backend response with the ngx_http_ssi_filter_module. Thanks to P4P3R-HAK.