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Vulnerability · Published Apr 17, 2026 · Assigned by GitHub_M

CVE-2026-40341libgphoto2 has an OOB Read in ptp_unpack_EOS_FocusInfoEx

Low 3.5

In plain English

A low-severity security flaw in libgphoto2 from gphoto. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.5Low
Exploit odds (30 days)0.2%top 91.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

libgphoto2 is a camera access and control library. In versions up to and including 2.5.33, an out of bound read in ptp_unpack_EOS_FocusInfoEx could be used to crash libgphoto2 when processing input from untrusted USB devices. Commit c385b34af260595dfbb5f9329526be5158985987 contains a patch. No known workarounds are available.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12libgphoto2no fix listedDEBIAN-CVE-2026-40341
Debian:13libgphoto2no fix listedDEBIAN-CVE-2026-40341
Debian:14libgphoto22.5.34-1DEBIAN-CVE-2026-40341
Ubuntu:22.04:LTSlibgphoto22.5.27-1ubuntu0.1USN-8586-1
Ubuntu:22.04:LTSlibgphoto22.5.27-1ubuntu0.1UBUNTU-CVE-2026-40341
Ubuntu:24.04:LTSlibgphoto22.5.31-2.1ubuntu1.1USN-8586-1
Ubuntu:24.04:LTSlibgphoto22.5.31-2.1ubuntu1.1UBUNTU-CVE-2026-40341
Ubuntu:25.10libgphoto2no fix listedUBUNTU-CVE-2026-40341
Ubuntu:26.04:LTSlibgphoto22.5.33-1ubuntu1.1UBUNTU-CVE-2026-40341
Ubuntu:26.04:LTSlibgphoto22.5.33-1ubuntu1.1USN-8586-1

Affected products (as reported)

VendorProductVersions
gphoto libgphoto2 <= 2.5.33

Weakness: CWE-126 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

References