CVE-2026-40339

libgphoto2 is a camera access and control library. Versions up to and including 2.5.33 have an out-of-bounds read in `ptp_unpack_Sony_DPD()` in `camlibs/ptp2/ptp-pack.c` (line 842). The function reads the FormFlag byte via `dtoh8o(data, *poffset)` without a prior bounds check. The standard `ptp_unpack_DPD()` at lines 686–687 correctly validates `*offset + sizeof(uint8_t) > dpdlen` before this same read, but the Sony variant omits this check entirely. Commit 09f8a940b1e418b5693f5c11e3016a1ad2cea62d fixes the issue.

• CWE-125

• https://github.com/gphoto/libgphoto2/commit/09f8a940b1e418b5693f5c11e3016a1ad2cea62d
• https://github.com/gphoto/libgphoto2/security/advisories/GHSA-42cm-m9hc-r7q8

Published

Apr 18, 2026

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-40333libgphoto2 is a camera access and control library. In versio…6.1
• CVE-2026-40334libgphoto2 is a camera access and control library. In versio…3.5
• CVE-2026-40335libgphoto2 is a camera access and control library. Versions …5.2
• CVE-2026-40336libgphoto2 is a camera access and control library. Versions …2.4
• CVE-2026-40337The Sentry kernel is a high security level micro-kernel impl…5.1
• CVE-2026-40338libgphoto2 is a camera access and control library. Versions …5.2
• CVE-2026-40340libgphoto2 is a camera access and control library. Versions …6.1
• CVE-2026-40341libgphoto2 is a camera access and control library. In versio…3.5
• CVE-2026-40342Firebird is an open-source relational database management sy…9.9
• CVE-2026-40343free5GC UDR is the user data repository (UDR) for free5GC, a…5.8
• CVE-2026-40344MinIO is a high-performance object storage system. Starting …8.2
• CVE-2026-40346NocoBase is an AI-powered no-code/low-code platform for buil…6.5