CVE-2026-40339 — Out-of-Bounds $1
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 s
What This Means For You
- If your environment is affected by CWE-125, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-40339 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-40339 - libgphoto2 Out-of-Bounds Read in Sony DPD Unpacking
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-40339 | vulnerability | CVE-2026-40339 |
| CWE-125 | weakness | CWE-125 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 18, 2026 at 03:16 UTC |
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