VDB

CVE-2026-40334

CVE-2026-40334 PUBLISHED CVSS 3.5 LOW

Reported by GitHub_M · Published April 17, 2026

libgphoto2 is a camera access and control library. In versions up to and including 2.5.33, a missing null terminator exists in ptp_unpack_Canon_FE() in camlibs/ptp2/ptp-pack.c (line 1377). The function copies a filename into a 13-byte buffer using strncpy without explicitly null-terminating the result. If the source data is exactly 13 bytes with no null terminator, the buffer is left unterminated, leading to out-of-bounds reads in any subsequent string operation. Commit 259fc7d3bfe534ce4b114c464f55b448670ab873 patches the issue.

EPSS 0.19% · 8.6th percentile

Risk Scores

CVSS 3.1
3.5
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
EPSS Score
0.19%
8.6th percentile

Affected Products

VendorProductVersions
gphotolibgphoto2<= 2.5.33
gphotolibgphoto2<= 2.5.33

Timeline

  • Apr 17, 2026 CVE Published
  • Apr 20, 2026 Security Advisory
  • May 18, 2026 EPSS Score
  • May 19, 2026 EPSS Score
  • May 20, 2026 EPSS Score
  • May 21, 2026 EPSS Score
  • May 22, 2026 EPSS Score
  • May 23, 2026 EPSS Score
  • May 24, 2026 EPSS Score
  • May 25, 2026 EPSS Score
  • May 26, 2026 EPSS Score
  • May 27, 2026 EPSS Score
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