{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107886", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-10-09T04:00:28.517Z", "datePublished": "2026-10-09T04:00:29.308Z", "dateUpdated": "2026-10-09T04:00:29.308Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "CUPS", "repo": "https://github.com/OpenPrinting/cups", "vendor": "OpenPrinting", "versions": [{"lessThan": "2.4.20", "status": "affected", "version": "1.4.8", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "OpenPrinting CUPS before 2.4.20 contains a double-free in printer-class management. When CUPS-Add-Modify-Class replaces an existing class member list, add_class() frees pclass->printers without clearing the pointer. If subsequent validation fails, the class retains the dangling pointer; CUPS-Delete-Class subsequently frees the same allocation in cupsdDeletePrinter(). A client authorized to modify and delete classes can cause scheduler-wide denial of service. The default policy requires @SYSTEM privileges."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 2.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-415", "description": "CWE-415: Double Free", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-10-09T04:00:29.308Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://github.com/OpenPrinting/cups/security/advisories/GHSA-pwg4-pv39-8c22"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}, "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openprinting:cups:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.4.8", "versionEndExcluding": "2.4.20"}]}]}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "CUPS", "repo": "https://github.com/OpenPrinting/cups", "vendor": "OpenPrinting", "versions": [{"lessThan": "2.4.20", "status": "affected", "version": "1.4.8", "versionType": "semver"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenPrinting CUPS before 2.4.20 contains a double-free in printer-class management. When CUPS-Add-Modify-Class replaces an existing class member list, add_class() frees pclass->printers without clearing the pointer. If subsequent validation fails, the class retains the dangling pointer; CUPS-Delete-Class subsequently frees the same allocation in cupsdDeletePrinter(). A client authorized to modify and delete classes can cause scheduler-wide denial of service. The default policy requires @SYSTEM privileges."}], "id": "CVE-2026-107886", "lastModified": "2026-10-09T04:18:05.163", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 2.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 1.4, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-10-09T04:18:05.163", "references": [{"source": "cve@mitre.org", "url": "https://github.com/OpenPrinting/cups/security/advisories/GHSA-pwg4-pv39-8c22"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "cve@mitre.org", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.4.8,2.4.20)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "CUPS", "source": "cna", "vendor": "OpenPrinting"}, "product": "cups", "vendor": "openprinting"}], "created": "2026-10-09T05:30:08.140445+00:00", "title": "Double\u2011Free Vulnerability in CUPS Printer\u2011Class Management Leads to Denial of Service", "updated": "2026-10-09T05:30:08.765989+00:00", "vendors": ["openprinting", "openprinting$PRODUCT$cups"]}