{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-85068", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-02T21:21:01.775Z", "datePublished": "2026-11-05T22:57:24.731Z", "dateUpdated": "2026-11-05T22:57:24.731Z"}, "containers": {"cna": {"title": "NUT blazer_usb ippon_command stack info-leak via unzeroed char tmp[64] in OUT-direction usb_control_msg", "problemTypes": [{"descriptions": [{"cweId": "CWE-457", "lang": "en", "description": "CWE-457: Use of Uninitialized Variable", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 2.4, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/networkupstools/nut/security/advisories/GHSA-fjxc-2vpv-mqc8", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/networkupstools/nut/security/advisories/GHSA-fjxc-2vpv-mqc8"}, {"name": "https://github.com/networkupstools/nut/pull/3529", "tags": ["x_refsource_MISC"], "url": "https://github.com/networkupstools/nut/pull/3529"}, {"name": "https://github.com/networkupstools/nut/commit/30d56d4282f823949b40763d5c76461c7dd107b3", "tags": ["x_refsource_MISC"], "url": "https://github.com/networkupstools/nut/commit/30d56d4282f823949b40763d5c76461c7dd107b3"}], "affected": [{"vendor": "networkupstools", "product": "nut", "versions": [{"version": ">= 2.4.2, <= 2.8.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-05T22:57:24.731Z"}, "descriptions": [{"lang": "en", "value": "Network UPS Tools is a collection of programs which provide a common interface for monitoring and administering UPS, PDU and SCD hardware. From 2.4.2 through 2.8.5, ippon_command in drivers/blazer_usb.c partially initializes char tmp[64] with a short Megatec status query and then passes a fixed eight-byte chunk to usb_control_msg. A malicious firmware-controlled USB device presenting the Mustek Powermust VID 0x06da and Mustek Powermust PID 0x0003 matches blazer_usb_id, selects ippon_subdriver, and can receive the uninitialized trailing stack bytes during normal polling. The disclosure is bounded and read-only, requires physical or supply-chain access to the USB bus, and has no established integrity or availability impact. This issue is scheduled to be fixed in version 2.8.6."}], "source": {"advisory": "GHSA-fjxc-2vpv-mqc8", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "nut", "vendor": "networkupstools", "versions": [{"status": "affected", "version": ">= 2.4.2, <= 2.8.5"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Network UPS Tools is a collection of programs which provide a common interface for monitoring and administering UPS, PDU and SCD hardware. From 2.4.2 through 2.8.5, ippon_command in drivers/blazer_usb.c partially initializes char tmp[64] with a short Megatec status query and then passes a fixed eight-byte chunk to usb_control_msg. A malicious firmware-controlled USB device presenting the Mustek Powermust VID 0x06da and Mustek Powermust PID 0x0003 matches blazer_usb_id, selects ippon_subdriver, and can receive the uninitialized trailing stack bytes during normal polling. The disclosure is bounded and read-only, requires physical or supply-chain access to the USB bus, and has no established integrity or availability impact. This issue is scheduled to be fixed in version 2.8.6."}], "id": "CVE-2026-85068", "lastModified": "2026-11-05T23:17:00.947", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 2.4, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-05T23:17:00.947", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/networkupstools/nut/commit/30d56d4282f823949b40763d5c76461c7dd107b3"}, {"source": "security-advisories@github.com", "url": "https://github.com/networkupstools/nut/pull/3529"}, {"source": "security-advisories@github.com", "url": "https://github.com/networkupstools/nut/security/advisories/GHSA-fjxc-2vpv-mqc8"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-457"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.4.2,2.8.5]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "nut", "source": "cna", "vendor": "networkupstools"}, "product": "nut", "vendor": "networkupstools"}], "created": "2026-11-06T00:30:18.423677+00:00", "updated": "2026-11-06T00:45:15.044634+00:00", "vendors": ["networkupstools", "networkupstools$PRODUCT$nut"]}