Medium severity6.8NVD Advisory· Published Nov 2, 2026
CVE-2026-120451
CVE-2026-120451
Description
libgphoto2 through 2.5.34 contains stack-based and heap-based buffer overflow vulnerabilities in jl2005c_init() that allow malicious USB devices to corrupt memory by supplying an unbounded allocation table entry count. Attackers can connect a spoofed Jeilin JL2005B/C/D camera reporting 1022 or more entries to overwrite the saved return address and heap data, potentially achieving code execution.
Affected products
1- Range: <=2.5.34
Patches
Vulnerability mechanics
References
6- github.com/gphoto/libgphoto2/blob/v2.5.34/camlibs/jl2005c/jl2005c.cnvd
- github.com/gphoto/libgphoto2/commit/6a3393dd996502457ab965432cf0b2035278825envd
- github.com/gphoto/libgphoto2/commit/af3b8e9c542cda863fb5f2f3cfeb261bd78e4442nvd
- github.com/gphoto/libgphoto2/issues/1326nvd
- hackmd.io/@haindpwn/libgphoto2-jl2005c-init-alloc-table-buffer-overflownvd
- www.vulncheck.com/advisories/libgphoto2-through-2.5.34-buffer-overflow-via-jl2005c-camera-drivernvd
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