{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42310","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-04-26T12:37:18.169Z","datePublished":"2026-05-09T04:10:48.395Z","dateUpdated":"2026-05-12T18:31:10.271Z"},"containers":{"cna":{"title":"Pillow: PDF Parsing Trailer Infinite Loop (DoS)","problemTypes":[{"descriptions":[{"cweId":"CWE-835","lang":"en","description":"CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/python-pillow/Pillow/security/advisories/GHSA-r73j-pqj5-w3x7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/python-pillow/Pillow/security/advisories/GHSA-r73j-pqj5-w3x7"},{"name":"https://github.com/python-pillow/Pillow/pull/9519","tags":["x_refsource_MISC"],"url":"https://github.com/python-pillow/Pillow/pull/9519"},{"name":"https://github.com/python-pillow/Pillow/commit/3bf614e4b8615d0ce1d5039efaf6db447fe7c468","tags":["x_refsource_MISC"],"url":"https://github.com/python-pillow/Pillow/commit/3bf614e4b8615d0ce1d5039efaf6db447fe7c468"},{"name":"https://github.com/python-pillow/Pillow/releases/tag/12.2.0","tags":["x_refsource_MISC"],"url":"https://github.com/python-pillow/Pillow/releases/tag/12.2.0"}],"affected":[{"vendor":"python-pillow","product":"Pillow","versions":[{"version":">= 4.2.0, < 12.2.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-09T04:10:48.395Z"},"descriptions":[{"lang":"en","value":"Pillow is a Python imaging library. From version 4.2.0 to before version 12.2.0, an attacker can supply a malicious PDF that causes the process to hang indefinitely, consuming 100% CPU and making the application unresponsive. This issue has been patched in version 12.2.0."}],"source":{"advisory":"GHSA-r73j-pqj5-w3x7","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-12T13:33:37.176930Z","id":"CVE-2026-42310","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-12T18:31:10.271Z"}}]}}