{"id":"UBUNTU-CVE-2021-31812","details":"In Apache PDFBox, a carefully crafted PDF file can trigger an infinite loop while loading the file. This issue affects Apache PDFBox version 2.0.23 and prior 2.0.x versions.","modified":"2026-05-20T16:04:58.213655091Z","published":"2021-06-12T10:15:00Z","upstream":["CVE-2021-31812"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-31812"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2021/06/12/1"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/ra2ab0ce69ce8aaff0773b8c1036438387ce004c2afc6f066626e205e%40%3Cusers.pdfbox.apache.org%3E"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/ra2ab0ce69ce8aaff0773b8c1036438387ce004c2afc6f066626e205e@%3Cusers.pdfbox.apache.org%3E"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/rf251f6c358087107f8c23473468b279d59d50a75db6b4768165c78d3@%3Cannounce.apache.org%3E"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2021/06/12/1"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/re0cacd3fb337cdf8469853913ed2b4ddd8f8bfc52ff0ddbe61c1dfba@%3Ccommits.ofbiz.apache.org%3E"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/r132e9dbbe0ebdc08b39583d8be0a575fdba573d60a42d940228bceff@%3Cnotifications.ofbiz.apache.org%3E"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/r179cc3b6822c167702ab35fe36093d5da4c99af44238c8a754c6860f@%3Ccommits.ofbiz.apache.org%3E"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/r2090789e4dcc2c87aacbd87d5f18e2d64dcb9f6eb7c47f5cf7d293cb@%3Cnotifications.ofbiz.apache.org%3E"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/rfe26bcaba564deb505c32711ba68df7ec589797dcd96ff3389a8aaba@%3Cnotifications.ofbiz.apache.org%3E"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/rd4b6db6c3b8ab3c70f1c3bbd725a40920896453ffc2744ade6afd9fb@%3Cnotifications.ofbiz.apache.org%3E"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/r143fd8445e0e778f4a85187bd79438630b96b8040e9401751fdb8aea@%3Ccommits.ofbiz.apache.org%3E"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-31812"}],"affected":[{"package":{"name":"libpdfbox-java","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libpdfbox-java?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.8.7+dfsg-1","1:1.8.10-1","1:1.8.10-2","1:1.8.11+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libfontbox-java","binary_version":"1:1.8.11+dfsg-1"},{"binary_version":"1:1.8.11+dfsg-1","binary_name":"libjempbox-java"},{"binary_name":"libpdfbox-java","binary_version":"1:1.8.11+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31812.json"}},{"package":{"name":"libpdfbox-java","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libpdfbox-java?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.8.13-1","1:1.8.13-2","1:1.8.16-2~18.04"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.8.16-2~18.04","binary_name":"libfontbox-java"},{"binary_name":"libjempbox-java","binary_version":"1:1.8.16-2~18.04"},{"binary_name":"libpdfbox-java","binary_version":"1:1.8.16-2~18.04"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31812.json"}},{"package":{"name":"libpdfbox2-java","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libpdfbox2-java?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.7-1","2.0.8-1","2.0.8-2","2.0.9-1","2.0.13-2~18.04"],"ecosystem_specific":{"binaries":[{"binary_version":"2.0.13-2~18.04","binary_name":"libfontbox2-java"},{"binary_version":"2.0.13-2~18.04","binary_name":"libpdfbox2-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31812.json"}},{"package":{"name":"libpdfbox-java","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libpdfbox-java?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.8.16-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libfontbox-java","binary_version":"1:1.8.16-2"},{"binary_version":"1:1.8.16-2","binary_name":"libjempbox-java"},{"binary_name":"libpdfbox-java","binary_version":"1:1.8.16-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31812.json"}},{"package":{"name":"libpdfbox2-java","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libpdfbox2-java?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.16-1","2.0.17-1","2.0.18-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libfontbox2-java","binary_version":"2.0.18-1"},{"binary_name":"libpdfbox2-java","binary_version":"2.0.18-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31812.json"}},{"package":{"name":"li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