{"schemaVersion":3,"id":"USN-4763-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"pillow vulnerabilities\n\nIt was discovered that Pillow incorrectly handled certain Tiff image files.\nIf a user or automated system were tricked into opening a specially-crafted\nTiff file, a remote attacker could cause Pillow to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. This issue only\naffected Ubuntu 20.04 LTS and Ubuntu 20.10. (CVE-2021-25289,\nCVE-2021-25291)\n\nIt was discovered that Pillow incorrectly handled certain Tiff image files.\nIf a user or automated system were tricked into opening a specially-crafted\nTiff file, a remote attacker could cause Pillow to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. (CVE-2021-25290)\n\nIt was discovered that Pillow incorrectly handled certain PDF files. If a\nuser or automated system were tricked into opening a specially-crafted\nPDF file, a remote attacker could cause Pillow to hang, resulting in a\ndenial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04\nLTS, and Ubuntu 20.10. (CVE-2021-25292)\n\nIt was discovered that Pillow incorrectly handled certain SGI image files.\nIf a user or automated system were tricked into opening a specially-crafted\nSGI file, a remote attacker could possibly cause Pillow to crash,\nresulting in a denial of service. This issue only affected Ubuntu 18.04\nLTS, Ubuntu 20.04 LTS, and Ubuntu 20.10. (CVE-2021-25293)\n\nJiayi Lin, Luke Shaffer, Xinran Xie, and Akshay Ajayan discovered that\nPillow incorrectly handled certain BLP files. If a user or automated system\nwere tricked into opening a specially-crafted BLP file, a remote attacker\ncould possibly cause Pillow to consume resources, resulting in a denial of\nservice. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and\nUbuntu 20.10. (CVE-2021-27921)\n\nJiayi Lin, Luke Shaffer, Xinran Xie, and Akshay Ajayan discovered that\nPillow incorrectly handled certain ICNS files. If a user or automated\nsystem were tricked into opening a specially-crafted ICNS file, a remote\nattacker could possibly cause Pillow to consume resources, resulting in a\ndenial of service. (CVE-2021-27922)\n\nJiayi Lin, Luke Shaffer, Xinran Xie, and Akshay Ajayan discovered that\nPillow incorrectly handled certain ICO files. If a user or automated\nsystem were tricked into opening a specially-crafted ICO file, a remote\nattacker could possibly cause Pillow to consume resources, resulting in a\ndenial of service. (CVE-2021-27922)","dates":{"published":"2021-03-11T14:56:28.000Z","modified":"2026-04-27T15:48:59.343Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"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":[],"affected":[{"vendor":"ubuntu","product":"pillow","name":"pillow","label":"pillow","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/pillow","purlType":"deb","versions":[{"text":"< 3.1.2-0ubuntu1.6","noFixRecorded":false,"fixedIn":null},{"text":"< 5.1.0-1ubuntu0.5","noFixRecorded":false,"fixedIn":null},{"text":"< 7.0.0-4ubuntu0.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.1.2-0ubuntu1.6 | < 5.1.0-1ubuntu0.5 | < 7.0.0-4ubuntu0.3","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4763-1","label":"ubuntu.com/security/notices/USN-4763-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-25289","label":"ubuntu.com/security/CVE-2021-25289","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-25290","label":"ubuntu.com/security/CVE-2021-25290","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-25291","label":"ubuntu.com/security/CVE-2021-25291","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-25292","label":"ubuntu.com/security/CVE-2021-25292","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-25293","label":"ubuntu.com/security/CVE-2021-25293","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-27921","label":"ubuntu.com/security/CVE-2021-27921","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-27922","label":"ubuntu.com/security/CVE-2021-27922","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-27923","label":"ubuntu.com/security/CVE-2021-27923","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2021-25289","CVE-2021-25290","CVE-2021-25291","CVE-2021-25292","CVE-2021-25293","CVE-2021-27921","CVE-2021-27922","CVE-2021-27923"],"downstream":[],"duplicates":[],"related":["CVE-2021-25289","CVE-2021-25290","CVE-2021-25291","CVE-2021-25292","CVE-2021-25293","CVE-2021-27921","CVE-2021-27922","CVE-2021-27923"]},"timeline":[{"kind":"published","date":"2021-03-11T14:56:28.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T15:48:59.343Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T15:06:46.170Z","stale":false,"partial":false}}