CVE-2026-40338 libgphoto2 has OOB read in ptp_unpack_Sony_DPD() enumeration count parsing in ptp-pack.c

libgphoto2 is a camera access and control library. Versions up to and including 2.5.33 have an out-of-bounds read in the PTPDPFFEnumeration case of ptpunpackSonyDPD in camlibs/ptp2/ptp-pack.c line 856. The function reads a 2-byte enumeration count N via dtoh16odata, poffset without verifying that...

CVE-2026-40335

libgphoto2 is a camera access and control library. Versions up to and including 2.5.33 have an out-of-bounds read in ptpunpackDPV in camlibs/ptp2/ptp-pack.c lines 622–629. The UINT128 and INT128 cases advance offset += 16 without verifying that 16 bytes remain in the buffer. The entry check at li...

CVE-2026-40333

libgphoto2 is a camera access and control library. In versions up to and including 2.5.33, two functions in camlibs/ptp2/ptp-pack.c accept a data pointer but no length parameter, performing unbounded reads. Their callers in ptpunpackEOSevents have xsize available but never pass it, leaving both...

PT-2026-33537

Name of the Vulnerable Software and Affected Versions libgphoto2 versions prior to 2.5.34 Description An out-of-bounds read exists in the ptp unpack Sony DPD function within camlibs/ptp2/ptp-pack.c. The issue occurs because the function reads the FormFlag byte using dtoh8odata, poffset without...