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CVE-2026-40335

libgphoto2 is a camera access and control library. Versions up to and including 2.5.33 have an out-of-bounds read in `ptp_unpack_DPV()` in `camlibs/ptp2/ptp-pack.c` (lines 622–629). The UINT128 and INT128 cases advance `*offset += 16` without verifying that 16 bytes remain in the buffer. The entry check at line 609 only guarantees `*offset < total` (at least 1 byte available), leaving up to 15 bytes unvalidated. Commit 433bde9888d70aa726e32744cd751d7dbe94379a patches the issue.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:50d6580195f4b279bfd6f17b40093df384f8b0101c056ba56c0a19abf3732551
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"libgphoto2","vendor":"gphoto","versions":[{"status":"affected","version":"<= 2.5.33"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:300159ae95b28fdb13edcb59c0a2fe671d9d62df9aecdd011ca4e60868c3e78c · sha256:807a27252b483b17… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"PHYSICAL","availabilityImpact":"LOW","baseScore":5.2,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:300159ae95b28fdb13edcb59c0a2fe671d9d62df9aecdd011ca4e60868c3e78c · sha256:807a27252b483b17… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:300159ae95b28fdb13edcb59c0a2fe671d9d62df9aecdd011ca4e60868c3e78c · sha256:807a27252b483b17… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/gphoto/libgphoto2/commit/433bde9888d70aa726e32744cd751d7dbe94379a","tags":["x_refsource_MISC"],"url":"https://github.com/gphoto/libgphoto2/commit/433bde9888d70aa726e32744cd751d7dbe94379a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:300159ae95b28fdb13edcb59c0a2fe671d9d62df9aecdd011ca4e60868c3e78c · sha256:807a27252b483b17… · /containers/cna/references/1
{"name":"https://github.com/gphoto/libgphoto2/security/advisories/GHSA-g4g5-c2x9-cqfj","tags":["x_refsource_CONFIRM"],"url":"https://github.com/gphoto/libgphoto2/security/advisories/GHSA-g4g5-c2x9-cqfj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:300159ae95b28fdb13edcb59c0a2fe671d9d62df9aecdd011ca4e60868c3e78c · sha256:807a27252b483b17… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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