Description
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 it, leaving both functions unable to validate reads against the actual buffer boundary. Commit 1817ecead20c2aafa7549dac9619fe38f47b2f53 patches the issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| gphoto | libgphoto2 | <= 2.5.33 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libgphoto2 | 2.5.34-1 | — |
| Debian 13 | libgphoto2 | No fix yet | — |
| Debian 12 | libgphoto2 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | libgphoto2 | 2.5.33-1ubuntu1.1 | USN-8586-1 |
| Ubuntu 25.10 | libgphoto2 | No fix yet | — |
| Ubuntu 24.04 LTS | libgphoto2 | 2.5.31-2.1ubuntu1.1 | USN-8586-1 |
| Ubuntu 22.04 LTS | libgphoto2 | 2.5.27-1ubuntu0.1 | USN-8586-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | libgphoto2 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | libgphoto2 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | libgphoto2 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | libgphoto2 | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libgphoto2 | 2.5.34-1.1 | openSUSE-SU-2026:10916-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libgphoto2 | No fix yet | — |
Advisories 2
- USN-8586-1 libgphoto2 vulnerabilities Ubuntu Security Notices (USN) · Jul 22, 2026
- openSUSE-SU-2026:10916-1 libgphoto2-6-2.5.34-1.1 on GA media SUSE / openSUSE Security Updates · Jun 1, 2026