{"schemaVersion":3,"id":"CVE-2026-42310","aliases":["GHSA-r73j-pqj5-w3x7","BIT-pillow-2026-42310","PYSEC-2026-2874","UBUNTU-CVE-2026-42310","DEBIAN-CVE-2026-42310","CGA-3qhj-h396-88mv","CGA-63cc-wj58-3x32","CGA-c3mh-3752-vxmp","CGA-h7j3-p7hg-x5cf","CGA-m2m2-jh38-p46w","CGA-wx2r-r32q-7j8g"],"status":"published","duplicateOf":null,"title":null,"description":"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.","dates":{"published":"2026-05-09T04:10:48.395Z","modified":"2026-05-12T18:31:10.271Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":5.1,"severity":"medium","vector":"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","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"OSV · Pypi","score":5.1,"severity":"medium","vector":"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","exploitability":null,"impact":null,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Pypi","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":4.6,"impact":6,"computed":true},{"version":"4.0","versionLabel":"v4.0","source":"OSV · Ubuntu","score":5.1,"severity":"medium","vector":"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","exploitability":null,"impact":null,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":4.6,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":4.6,"impact":6,"computed":true},{"version":"4.0","versionLabel":"v4.0","source":"OSV · Wolfi","score":5.1,"severity":"medium","vector":"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","exploitability":null,"impact":null,"computed":true},{"version":"4.0","versionLabel":"v4.0","source":"OSV · Chainguard","score":5.1,"severity":"medium","vector":"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","exploitability":null,"impact":null,"computed":true},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":5.1,"severity":"medium","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00177,"percentile":0.06851,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.051000000000000004,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00126},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00177,"percentile":0.06851}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00177,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00177,"percentile":0.06851}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-835","name":"Loop with Unreachable Exit Condition ('Infinite Loop')","description":"The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/835.html"}],"affected":[{"vendor":"chainguard","product":"kubeflow-pipelines-visualization-server","name":"kubeflow-pipelines-visualization-server","label":"kubeflow-pipelines-visualization-server","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/kubeflow-pipelines-visualization-server","purlType":"apk","versions":[{"text":"< 2.16.1-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.16.1-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"mlflow","name":"mlflow","label":"mlflow","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/mlflow","purlType":"apk","versions":[{"text":"< 3.16.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.16.0-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"open-webui","name":"open-webui","label":"open-webui","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/open-webui","purlType":"apk","versions":[{"text":"< 0.11.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.11.0-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"superset-6.0","name":"superset-6.0","label":"superset-6.0","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/superset-6.0","purlType":"apk","versions":[{"text":"< 6.0.0-r10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.0.0-r10","eol":null,"hubHref":null},{"vendor":"wolfi","product":"kubeflow-pipelines-visualization-server","name":"kubeflow-pipelines-visualization-server","label":"kubeflow-pipelines-visualization-server","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/kubeflow-pipelines-visualization-server","purlType":"apk","versions":[{"text":"< 2.16.1-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.16.1-r0","eol":null,"hubHref":null},{"vendor":"wolfi","product":"mlflow","name":"mlflow","label":"mlflow","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/mlflow","purlType":"apk","versions":[{"text":"< 3.16.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.16.0-r0","eol":null,"hubHref":null},{"vendor":"wolfi","product":"open-webui","name":"open-webui","label":"open-webui","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/open-webui","purlType":"apk","versions":[{"text":"< 0.11.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.11.0-r0","eol":null,"hubHref":null},{"vendor":"wolfi","product":"superset-6.0","name":"superset-6.0","label":"superset-6.0","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/superset-6.0","purlType":"apk","versions":[{"text":"< 6.0.0-r10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.0.0-r10","eol":null,"hubHref":null},{"vendor":"debian","product":"pillow","name":"pillow","label":"pillow","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/pillow","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 11.1.0-5+deb13u3","noFixRecorded":false,"fixedIn":null},{"text":"< 12.2.0-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"All versions (No fix recorded) | < 11.1.0-5+deb13u3 | < 12.2.0-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"pillow","name":"pillow","label":"pillow","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/pillow","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 9.0.1-1ubuntu0.4","noFixRecorded":false,"fixedIn":null},{"text":"< 10.2.0-1ubuntu1.2","noFixRecorded":false,"fixedIn":null},{"text":"< 11.3.0-1ubuntu1.3","noFixRecorded":false,"fixedIn":null},{"text":"< 12.1.1-2ubuntu1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"All versions (No fix recorded) | < 9.0.1-1ubuntu0.4 | < 10.2.0-1ubuntu1.2 | < 11.3.0-1ubuntu1.3 | < 12.1.1-2ubuntu1.2","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"pillow-python2","name":"pillow-python2","label":"pillow-python2","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/pillow-python2","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"PyPI","product":"pillow","name":"pillow","label":"pillow","ecosystem":"PyPI","cpePart":null,"purl":"pkg:pypi/pillow","purlType":"pypi","versions":[{"text":"≥ 4.2.0, < 12.2.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 4.2.0, < 12.2.0","eol":null,"hubHref":null},{"vendor":"python-pillow","product":"pillow","name":"Pillow","label":"pillow","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 4.2.0, < 12.2.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 4.2.0, < 12.2.0","eol":null,"hubHref":"/vendor/python-pillow/pillow"},{"vendor":"python","product":"pillow","name":"pillow","label":"pillow","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 4.2.0, < 12.2.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 4.2.0, < 12.2.0","eol":null,"hubHref":"/vendor/python/pillow"}],"affectedCount":14,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/python-pillow/Pillow/security/advisories/GHSA-r73j-pqj5-w3x7","label":"github.com/python-pillow/Pillow/security/advisories/GHSA-r73j-pqj5-w3x7","hostname":"github.com","tags":["X Refsource CONFIRM","WEB","REPORT","Advisory","Patch","Vendor Advisory"]},{"url":"https://github.com/python-pillow/Pillow/pull/9519","label":"github.com/python-pillow/Pillow/pull/9519","hostname":"github.com","tags":["X Refsource MISC","WEB","REPORT","FIX","Issue Tracking","Patch"]},{"url":"https://github.com/python-pillow/Pillow/commit/3bf614e4b8615d0ce1d5039efaf6db447fe7c468","label":"github.com/python-pillow/Pillow/commit/3bf614e4b8615d0ce1d5039efaf6db447fe7c468","hostname":"github.com","tags":["X Refsource MISC","WEB","FIX","Patch"]},{"url":"https://github.com/python-pillow/Pillow/releases/tag/12.2.0","label":"github.com/python-pillow/Pillow/releases/tag/12.2.0","hostname":"github.com","tags":["X Refsource MISC","WEB","REPORT","Product","Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42310","label":"nvd.nist.gov/vuln/detail/CVE-2026-42310","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/python-pillow/Pillow","label":"github.com/python-pillow/Pillow","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://pypi.org/project/pillow","label":"pypi.org/project/pillow","hostname":"pypi.org","tags":["PACKAGE"]},{"url":"https://github.com/advisories/GHSA-r73j-pqj5-w3x7","label":"github.com/advisories/GHSA-r73j-pqj5-w3x7","hostname":"github.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-42310","label":"ubuntu.com/security/CVE-2026-42310","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-42310","label":"www.cve.org/CVERecord?id=CVE-2026-42310","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-8399-1","label":"ubuntu.com/security/notices/USN-8399-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-42310","label":"security-tracker.debian.org/tracker/CVE-2026-42310","hostname":"security-tracker.debian.org","tags":["Advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42310.json","label":"github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42310.json","hostname":"github.com","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["MGASA-2026-0219","USN-8399-1"],"duplicates":[],"related":["CGA-9W22-5CQ6-3PHP","USN-8399-1"]},"timeline":[{"kind":"published","date":"2026-05-09T04:10:48.395Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-05-12T18:31:10.271Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":22,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T19:13:03.866Z","stale":false,"partial":false}}