CVE-2026-40341 Details
Description
libgphoto2 is a camera access and control library. In versions up to and including 2.5.33, an out of bound read in ptp_unpack_EOS_FocusInfoEx could be used to crash libgphoto2 when processing input from untrusted USB devices. Commit c385b34af260595dfbb5f9329526be5158985987 contains a patch. No known workarounds are available.
A vulnerability allowing an out-of-bounds read has been identified in libgphoto2, a library for camera access and control. This issue exists in versions of libgphoto2 through 2.5.33. The vulnerability arises in the PTP (Picture Transfer Protocol) unpacking function 'ptp_unpack_EOS_FocusInfoEx', where insufficient size checks can lead to reading beyond the intended data boundaries. This flaw could be exploited to crash libgphoto2 while processing input from untrusted USB devices.
Users can update to the patched version of libgphoto2 available in the official GitHub repository.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Apr 18, 2026CISA-ADP
Assessed Apr 20, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/gphoto/libgphoto2/commit/c385b34af260595dfbb5f9329526be5158985987 | [email protected] | Source CodeVendor |
| https://github.com/gphoto/libgphoto2/security/advisories/GHSA-vjx3-gjp6-r2g2 | [email protected] | AdvisoryVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-126 | Buffer Over-read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| libgphoto2 | All versions |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 18, 2026 | New CVE Received | [email protected] |