A vulnerability classified as problematic was found in EGOR Data::HashMap::Shared up to 0.13. The affected element is the function shm_str_copy of the file shm_generic.h of the component shm_validate_header. The manipulation of the argument off/len results in out-of-bounds read.

This vulnerability is cataloged as CVE-2026-59142. The attack must be initiated from a local position. There is no exploit available.