Improper Null Termination Affecting gphoto/libgphoto2 package, versions [,2.5.34)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-GPHOTOLIBGPHOTO2-16110803
- published20 Apr 2026
- disclosed18 Apr 2026
- creditSebasteuo
Introduced: 18 Apr 2026
CVE-2026-40334 (opens in a new tab)How to fix?
Upgrade gphoto/libgphoto2 to version 2.5.34 or higher.
Overview
Affected versions of this package are vulnerable to Improper Null Termination due to improper null termination in the ptp_unpack_Canon_FE function. An attacker can cause out-of-bounds reads by supplying crafted data that fills the filename buffer exactly, leading to unintended memory access during subsequent string operations.