CVE-2026-120451

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.

CVSS v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/gphoto/libgphoto2/blob/v2.5.34/camlibs/jl2005c/jl2005c.c#L138-L154
https://github.com/gphoto/libgphoto2/commit/6a3393dd996502457ab965432cf0b2035278825e
https://github.com/gphoto/libgphoto2/commit/af3b8e9c542cda863fb5f2f3cfeb261bd78e4442
https://github.com/gphoto/libgphoto2/issues/1326
https://hackmd.io/@haindpwn/libgphoto2-jl2005c-init-alloc-table-buffer-overflow
https://www.vulncheck.com/advisories/libgphoto2-through-2.5.34-buffer-overflow-via-jl2005c-camera-driver

Configurations

No configuration.

History

02 Nov 2026, 15:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-11-02 15:17

Updated : 2026-11-02 19:34

NVD link : CVE-2026-120451

Mitre link : CVE-2026-120451

CVE.ORG link : CVE-2026-120451

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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