{"id":"CVE-2026-107888","state":"PUBLISHED","title":"OpenPrinting CUPS before 2.4.20 contains a NULL pointer dereference in cupsdCheckJobs() when a job marked job-held-on-create refers to a temporary printer that has been automatical","description":"OpenPrinting CUPS before 2.4.20 contains a NULL pointer dereference in cupsdCheckJobs() when a job marked job-held-on-create refers to a temporary printer that has been automatically deleted. Temporary-printer cleanup can remove the destination without canceling its held jobs, and the scheduler dereferences the NULL result of cupsdFindDest() while checking holding_new_jobs. This terminates cupsd and interrupts all queues managed by that process. In some plausible scenarios, an unprivileged submission can trigger this.","publishedAt":"2026-10-09T04:06:55.424Z","updatedAt":"2026-10-15T18:09:56.261Z","severity":{"score":5.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"mitre"},"assigner":"mitre","products":["OpenPrinting CUPS"],"affected":[{"vendor":"OpenPrinting","product":"CUPS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.4.20","versionType":"semver"}],"repo":"https://github.com/OpenPrinting/cups"}],"references":["https://github.com/OpenPrinting/cups/security/advisories/GHSA-qqm8-4q5h-jg55"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/107xxx/CVE-2026-107888.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-107888","state":"PUBLISHED","datePublished":"2026-10-09T04:06:55.424Z","dateUpdated":"2026-10-15T18:09:56.261Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-10-09T04:06:54.629Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"OpenPrinting CUPS before 2.4.20 contains a NULL pointer dereference in cupsdCheckJobs() when a job marked job-held-on-create refers to a temporary printer that has been automatically deleted. Temporary-printer cleanup can remove the destination without canceling its held jobs, and the scheduler dereferences the NULL result of cupsdFindDest() while checking holding_new_jobs. This terminates cupsd and interrupts all queues managed by that process. In some plausible scenarios, an unprivileged submission can trigger this."}],"affected":[{"vendor":"OpenPrinting","product":"CUPS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.4.20","versionType":"semver"}],"repo":"https://github.com/OpenPrinting/cups"}],"references":[{"url":"https://github.com/OpenPrinting/cups/security/advisories/GHSA-qqm8-4q5h-jg55","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.1,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476: NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-10-09T04:06:55.424Z"},"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:*:*:*:*:*:*:*:*","versionEndExcluding":"2.4.20"}]}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-15T16:17:15.393247Z","id":"CVE-2026-107888","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-15T18:09:56.261Z"}}]}}}