What is CVE-2026-40341?

CVE-2026-40341 is a low-severity vulnerability in Gphoto Libgphoto2, classified under Buffer Over-read. CVSS score: 3.5/10. Published 2026-04-17.

How severe is CVE-2026-40341?

Low severity. CVSS v3 base score is 3.5 out of 10.

Vulnerability in Gphoto Libgphoto2

CVE-2026-40341

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 c385b3…

EPSS: 0.000 (0.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Gphoto Libgphoto2 — versions <= 2.5.33

Weakness classification (CWE)

CWE-126 — Buffer Over-read

References

https://github.com/gphoto/libgphoto2/security/advisories/GHSA-vjx3-gjp6-r2g2 (x_refsource_CONFIRM)
https://github.com/gphoto/libgphoto2/commit/c385b34af260595dfbb5f9329526be5158985987 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-40341?: CVE-2026-40341 is a low-severity vulnerability in Gphoto Libgphoto2, classified under Buffer Over-read. CVSS score: 3.5/10. Published 2026-04-17.
How severe is CVE-2026-40341?: Low severity. CVSS v3 base score is 3.5 out of 10.