CVE-2026-40333 — libgphoto2 is a camera access and control library. In
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CVE-2026-40333 — libgphoto2 is a camera access and control library. In versions up to and including 2.5.33, two functions in camlibs/ptp2/ptp-pack.c accept a data pointer but no length parameter, performing unbounded reads. Their callers in ptp_unpack_EOS_events() have xsize available but never pass
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-2026-40333 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
6 rules · 6 SIEM formats6 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.
Web Application Exploitation Attempt — CVE-2026-40333
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-40333 | vulnerability | CVE-2026-40333 |
| 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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