{"id":"UBUNTU-CVE-2021-21706","details":"In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions.","modified":"2025-07-16T08:26:02.308380Z","published":"2021-10-04T04:15:00Z","withdrawn":"2025-07-18T16:46:38Z","upstream":["CVE-2021-21706"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-21706"},{"type":"REPORT","url":"https://bugs.php.net/bug.php?id=81420"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-21706"}],"affected":[{"package":{"name":"php8.1","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/php8.1@8.1.0-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.0-1"}]}],"versions":["8.1.0~rc4-1ubuntu2"],"ecosystem_specific":{"availability":"No subscription 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