What is CVE-2026-40336?

CVE-2026-40336 is a low-severity vulnerability in Gphoto Libgphoto2, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 2.4/10. Published 2026-04-17.

How severe is CVE-2026-40336?

Low severity. CVSS v3 base score is 2.4 out of 10.

Vulnerability in Gphoto Libgphoto2

CVE-2026-40336

libgphoto2 is a camera access and control library. Versions up to and including 2.5.33 have a memory leak in `ptp_unpack_Sony_DPD()` in `camlibs/ptp2/ptp-pack.c` (lines 884–885). When processing a secondary enumeration list (introduced in…

EPSS: 0.000 (0.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Gphoto Libgphoto2 — versions <= 2.5.33

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

https://github.com/gphoto/libgphoto2/security/advisories/GHSA-g8xw-p5wj-mrxv (x_refsource_CONFIRM)
https://github.com/gphoto/libgphoto2/commit/404ff02c75f3cb280196fc260a63c4d26cf1a8f6 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-40336?: CVE-2026-40336 is a low-severity vulnerability in Gphoto Libgphoto2, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 2.4/10. Published 2026-04-17.
How severe is CVE-2026-40336?: Low severity. CVSS v3 base score is 2.4 out of 10.