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CVE-2026-40333

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CVE-2026-40333

Published: Apr 17, 2026

Modified: Apr 20, 2026

PUBLISHED

CVSS v3.1

6.1

MEDIUM

Description

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 ptp_unpack_EOS_events() have xsize available but never pass it, leaving both functions unable to validate reads against the actual buffer boundary. Commit 1817ecead20c2aafa7549dac9619fe38f47b2f53 patches the issue.

VendorProductVersions

gphoto

libgphoto2

affected
<= 2.5.33

Weaknesses (CWE)

CWE-125

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

References

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