{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40340", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-10T22:50:01.358Z", "datePublished": "2026-04-17T23:45:17.467Z", "dateUpdated": "2026-04-20T13:36:05.149Z"}, "containers": {"cna": {"title": "libgphoto2 has OOB read in ptp_unpack_OI() in ptp-pack.c via malicious PTP ObjectInfo response", "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "lang": "en", "description": "CWE-125: Out-of-bounds Read", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.1, "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:H", "version": "3.1"}}], "references": [{"name": "https://github.com/gphoto/libgphoto2/security/advisories/GHSA-xfw3-xvjp-5wcv", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/gphoto/libgphoto2/security/advisories/GHSA-xfw3-xvjp-5wcv"}, {"name": "https://github.com/gphoto/libgphoto2/commit/7c7f515bc88c3d0c4098ac965d313518e0ccbe33", "tags": ["x_refsource_MISC"], "url": "https://github.com/gphoto/libgphoto2/commit/7c7f515bc88c3d0c4098ac965d313518e0ccbe33"}], "affected": [{"vendor": "gphoto", "product": "libgphoto2", "versions": [{"version": "<= 2.5.33", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-17T23:45:17.467Z"}, "descriptions": [{"lang": "en", "value": "libgphoto2 is a camera access and control library. Versions up to and including 2.5.33 have an out-of-bounds read vulnerability in `ptp_unpack_OI()` in `camlibs/ptp2/ptp-pack.c` (lines 530\u2013563). The function validates `len < PTP_oi_SequenceNumber` (i.e., len < 48) but subsequently accesses offsets 48\u201356, up to 9 bytes beyond the validated boundary, via the Samsung Galaxy 64-bit objectsize detection heuristic. Commit 7c7f515bc88c3d0c4098ac965d313518e0ccbe33 fixes the issue."}], "source": {"advisory": "GHSA-xfw3-xvjp-5wcv", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-40340", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-20T13:29:33.955929Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-20T13:36:05.149Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "libgphoto2 is a camera access and control library. Versions up to and including 2.5.33 have an out-of-bounds read vulnerability in `ptp_unpack_OI()` in `camlibs/ptp2/ptp-pack.c` (lines 530\u2013563). The function validates `len < PTP_oi_SequenceNumber` (i.e., len < 48) but subsequently accesses offsets 48\u201356, up to 9 bytes beyond the validated boundary, via the Samsung Galaxy 64-bit objectsize detection heuristic. Commit 7c7f515bc88c3d0c4098ac965d313518e0ccbe33 fixes the issue."}], "id": "CVE-2026-40340", "lastModified": "2026-04-20T19:00:52.467", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.1, "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:H", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.2, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-04-18T00:16:38.087", "references": [{"source": "[email protected]", "url": "https://github.com/gphoto/libgphoto2/commit/7c7f515bc88c3d0c4098ac965d313518e0ccbe33"}, {"source": "[email protected]", "url": "https://github.com/gphoto/libgphoto2/security/advisories/GHSA-xfw3-xvjp-5wcv"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "libgphoto2: libgphoto2: Information disclosure and denial of service via out-of-bounds read", "id": "2459367", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2459367"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in libgphoto2, a library for camera access and control. An out-of-bounds read vulnerability exists in the `ptp_unpack_OI()` function due to insufficient validation. A local attacker could exploit this by crafting specific input related to the Samsung Galaxy 64-bit objectsize detection heuristic. This could lead to information disclosure or a denial of service by causing the application to crash."], "name": "CVE-2026-40340", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "libgphoto2", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libgphoto2", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "libgphoto2", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "libgphoto2", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "libgphoto2", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-17T23:45:17Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-40340\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-40340\nhttps://github.com/gphoto/libgphoto2/commit/7c7f515bc88c3d0c4098ac965d313518e0ccbe33\nhttps://github.com/gphoto/libgphoto2/security/advisories/GHSA-xfw3-xvjp-5wcv"], "threat_severity": "Moderate"}