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Vulnerabilities

Vulnerability · CVE-2026-40339

libgphoto2 is a camera access and control library.

Published Apr 18, 2026 · catalog updated Jun 17, 2026 · libgphoto2 is a camera

Check if you run it

No confirmed exploitation is on record for CVE-2026-40339. EPSS is 0.22%. Act only if a listed version of libgphoto2 is a camera is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (libgphoto2 is a camera).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.22%
Remediation
Version ranges on file
Affected products
stated named in the record

libgphoto2 is a camera access and control library. Versions up to and including 2.5.33 have an out-of-bounds read in in (line 842). The function reads the FormFlag byte via without a prior bounds check. The standard at lines 686–687 correctly validates before this same read, but the Sony variant omits this check entirely. Commit 09f8a940b1e418b5693f5c11e3016a1ad2cea62d fixes the issue.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated named in the record<= 2.5.33

How to fix CVE-2026-40339

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-40339. EPSS is 0.22%. Act only if a listed version of libgphoto2 is a camera is installed.

Which versions are affected?

Compare what you have installed with named in the record <= 2.5.33. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-125: Out-of-bounds Read. EPSS 0.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 18, 2026 · NIST NVD

    Detected

    libgphoto2 is a camera access and control library. Versions up to and including 2.5.33 have an out-of-bounds read in in (line 842). The function reads the FormFlag byte via without a prior bounds check. The standard at lines 686–687 correctly validates before this same read, but the Sony variant omits this check entirely. Commit 09f8a940b1e418b5693f5c11e3016a1ad2cea62d fixes the issue.

  2. Jun 17, 2026 · NIST NVD

    Updated

    libgphoto2 is a camera access and control library. Versions up to and including 2.5.33 have an out-of-bounds read in in (line 842). The function reads the FormFlag byte via without a prior bounds check. The standard at lines 686–687 correctly validates before this same read, but the Sony variant omits this check entirely. Commit 09f8a940b1e418b5693f5c11e3016a1ad2cea62d fixes the issue.

Sources

  • CVE.orgVulnerability recordCVE-2026-40339

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-40339

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-40339

    libgphoto2 is a camera access and control library. Versions up to and including 2.5.33 have an out-of-bounds read in in (line 842). The function reads the FormFlag byte via without a prior bounds check. Th

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.