CVE-2026-40334 libgphoto2 missing null termination in ptp_unpack_Canon_FE() filename buffer in ptp-pack.c

libgphoto2 is a camera access and control library. In versions up to and including 2.5.33, a missing null terminator exists in ptpunpackCanonFE in camlibs/ptp2/ptp-pack.c line 1377. The function copies a filename into a 13-byte buffer using strncpy without explicitly null-terminating the result. ...