A memory safety issue was identified in ClamAV related to an UNKNOWN READ crash occurring in the function fp_cmp_mag, as reported by OSS-Fuzz. This crash involves the functions fp_cmp_mag, crtmgr_trust_list_lookup, and crtmgr_add. The vulnerability affects versions of ClamAV starting from commit 375ecf678c714623e6fb5c0119d1bec98dc700dd. No CVSS score or detailed impact analysis is available, and there is no information about active exploitation or an official patch.