libgphoto2-6: libgphoto2 is a camera access and control library
CVE-2026-40338 is fixed in 6 products on 1 platform, first by libgphoto2-6 2.5.27-1ubuntu0.1, released April 17, 2026. It is not reported as exploited. Patch Radar priority: Routine.
libgphoto2 is a camera access and control library. Versions up to and including 2.5.33 have an out-of-bounds read in the PTP_DPFF_Enumeration case of `ptp_unpack_Sony_DPD()` in `camlibs/ptp2/ptp-pack.c` (line 856). The function reads a 2-byte enumeration count N via `dtoh16o(data, *poffset)` without verifying that 2 bytes remain in the buffer. The standard `ptp_unpack_DPD()` at line 704 has this exact check, confirming the Sony variant omitted it by oversight. Commit 3b9f9696be76ae51dca983d9dd8ce586a2561845 fixes the issue.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libgphoto2 · Debian 14 | 2.5.34-1 | DEBIAN-CVE-2026-40338 | Apr 18, 2026 |
| libgphoto2-6 · Ubuntu 22.04.1 LTS (jammy) | 2.5.27-1ubuntu0.1 | libgphoto2-6 2.5.27-1ubuntu0.1 | Apr 17, 2026 |
| libgphoto2-6t64 · Ubuntu 24.04.5 LTS (noble) | 2.5.31-2.1ubuntu1.1 | libgphoto2-6t64 2.5.31-2.1ubuntu1.1 | Apr 17, 2026 |
| libgphoto2-6t64 · Ubuntu 26.04.1 LTS (resolute) | 2.5.33-1ubuntu1.1 | libgphoto2-6t64 2.5.33-1ubuntu1.1 | Apr 17, 2026 |
| libgphoto2-l10n · Ubuntu 22.04.1 LTS (jammy) | 2.5.27-1ubuntu0.1 | libgphoto2-l10n 2.5.27-1ubuntu0.1 | Apr 17, 2026 |
| libgphoto2-l10n · Ubuntu 24.04.5 LTS (noble) | 2.5.31-2.1ubuntu1.1 | libgphoto2-l10n 2.5.31-2.1ubuntu1.1 | Apr 17, 2026 |
| libgphoto2-l10n · Ubuntu 26.04.1 LTS (resolute) | 2.5.33-1ubuntu1.1 | libgphoto2-l10n 2.5.33-1ubuntu1.1 | Apr 17, 2026 |
| libgphoto2-port12 · Ubuntu 22.04.1 LTS (jammy) | 2.5.27-1ubuntu0.1 | libgphoto2-port12 2.5.27-1ubuntu0.1 | Apr 17, 2026 |
| libgphoto2-port12t64 · Ubuntu 24.04.5 LTS (noble) | 2.5.31-2.1ubuntu1.1 | libgphoto2-port12t64 2.5.31-2.1ubuntu1.1 | Apr 17, 2026 |
| libgphoto2-port12t64 · Ubuntu 26.04.1 LTS (resolute) | 2.5.33-1ubuntu1.1 | libgphoto2-port12t64 2.5.33-1ubuntu1.1 | Apr 17, 2026 |
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