{"id":"CVE-2021-21706","aliases":["ALPINE-CVE-2021-21706","BELL-CVE-2021-21706","BIT-libphp-2021-21706","BIT-php-2021-21706","BIT-php-min-2021-21706","EUVD-2021-8878","GHSA-x4g4-47f7-vvq4","SUSE-SU-2022:4068-1","SUSE-SU-2022:4069-1","UBUNTU-CVE-2021-21706","openSUSE-SU-2024:11167-1","openSUSE-SU-2024:11169-1"],"status":"published","title":"ZipArchive::extractTo may extract outside of destination dir","description":"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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01517,"percentile":0.74755,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22","CWE-24"],"published":"2021-10-04T04:00:17Z","modified":"2026-11-03T06:32:31Z","fixes":[{"ecosystem":"Alpine:v3.12","package":"php7","fixed_in":["7.3.31-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"php7","fixed_in":["7.4.24-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"php7","fixed_in":["7.4.24-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"php7","fixed_in":["7.4.24-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"php8","fixed_in":["8.0.11-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"php8","fixed_in":["8.0.11-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"php8","fixed_in":["8.0.11-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"php8","fixed_in":["8.0.11-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"php81","fixed_in":["8.1.0_rc3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"php81","fixed_in":["8.1.0_rc3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"php81","fixed_in":["8.1.0_rc3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"php81","fixed_in":["8.1.0_rc3-r0"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"libphp","fixed_in":["7.3.31","7.4.24","8.0.11"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"php","fixed_in":["7.3.31","7.4.24","8.0.11"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"php-min","fixed_in":["7.3.31","7.4.24","8.0.11"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.12","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.3.31-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.24-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.24-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.24-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"php8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.11-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"php8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.11-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"php8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.11-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"php8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.11-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"php81","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.0_rc3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"php81","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.0_rc3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"php81","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.0_rc3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"php81","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.0_rc3-r0"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"libphp","ranges":[{"type":"SEMVER","events":[{"introduced":"7.3.0"},{"fixed":"7.3.31"},{"introduced":"7.4.0"},{"fixed":"7.4.24"},{"introduced":"8.0.0"},{"fixed":"8.0.11"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"php","ranges":[{"type":"SEMVER","events":[{"introduced":"7.3.0"},{"fixed":"7.3.31"},{"introduced":"7.4.0"},{"fixed":"7.4.24"},{"introduced":"8.0.0"},{"fixed":"8.0.11"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"php-min","ranges":[{"type":"SEMVER","events":[{"introduced":"7.3.0"},{"fixed":"7.3.31"},{"introduced":"7.4.0"},{"fixed":"7.4.24"},{"introduced":"8.0.0"},{"fixed":"8.0.11"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Web and Scripting 12","package":"php74","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-1.47.2"}]}],"bundled":18},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP5","package":"php74","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-1.47.2"}]}],"bundled":18},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP3","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Web and Scripting 15 SP3","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP2-BCL","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP2-LTSS","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP2","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"SUSE:Manager Proxy 4.1","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"SUSE:Manager Retail Branch Server 4.1","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"SUSE:Manager Server 4.1","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"SUSE:Enterprise Storage 7","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"openSUSE:Leap 15.3","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"openSUSE:Leap 15.3","package":"php7-test","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"openSUSE:Leap 15.4","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.33-150200.3.46.2"}]}],"bundled":18},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.24-1.1"}]}],"bundled":44},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"php8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.11-1.1"}]}],"bundled":97}],"products":[{"vendor":"php","product":"php"},{"vendor":"php group","product":"php"}],"references":[{"url":"https://bugs.php.net/bug.php?id=81420","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Vendor Advisory","advisory","fix","report"]},{"url":"https://security.netapp.com/advisory/ntap-20211029-0007/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21706","tags":["web"]},{"url":"https://github.com/advisories/GHSA-x4g4-47f7-vvq4"},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-21706","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2021-21706","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20224068-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1203867","tags":["report"]},{"url":"https://bugzilla.suse.com/1203870","tags":["report"]},{"url":"https://bugzilla.suse.com/1204577","tags":["report"]},{"url":"https://bugzilla.suse.com/1204979","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2017-8923","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-7068","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-7069","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-7070","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-7071","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-21702","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-21703","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-21704","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-21705","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-21706","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-21707","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-21708","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-31625","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-31626","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-31628","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-31629","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-31630","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-37454","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20224069-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-21706","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-21706","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2005-3353","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2005-3388","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2005-3389","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2005-3390","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2005-3391","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2005-3392","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2006-0996","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2006-1017","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2006-1490","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2006-1494","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2006-1991","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-4783","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-4887","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2008-0599","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-9120","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-1000222","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-1000888","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12882","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-14851","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-17082","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19935","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20783","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11034","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11035","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11036","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11039","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11040","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11041","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11042","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11043","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11046","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9020","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9021","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9022","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9023","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9024","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9637","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9638","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9640","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9641","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9675","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-7062","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-7063","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2006-7243","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-2225","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-2950","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-3436","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-3709","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-3710","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-4150","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-4645","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-0420","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-0421","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-0708","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1092","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1153","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1466","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-2202","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-3379","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-4153","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-4566","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-4885","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-0830","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-1823","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-2688","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-3365","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1635","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1643","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4113","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4248","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-6420","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-6712","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-7327","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-7345","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0185","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0238","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-1943","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-2497","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3538","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3597","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3622","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3668","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3670","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4049","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4670","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4698","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5459","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9426","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9427","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0231","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0235","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0273","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-1351","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3152","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3414","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3415","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-21706","title":"ZipArchive::extractTo may extract outside of destination dir","description":"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.","status":"published","published":"2021-10-04T04:00:17.182Z","modified":"2024-09-16T23:06:09.569Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-24"],"updated_at":"2026-11-02T14:33:00.488332Z"}],"euvd":[{"id":"EUVD-2021-8878","description":"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.","status":"published","published":"2021-10-04T04:00:17Z","modified":"2024-09-16T23:06:09Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T00:54:56.752396Z"}],"ghsa":[{"id":"GHSA-x4g4-47f7-vvq4","title":"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...","description":"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.","status":"published","published":"2022-05-24T19:16:31Z","modified":"2023-01-30T05:02:34Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:46:40.355653Z"}],"nvd":[{"id":"CVE-2021-21706","description":"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.","status":"published","published":"2021-10-04T04:15:08.35Z","modified":"2026-06-17T03:36:02.04Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-24","CWE-22"],"updated_at":"2026-11-02T14:06:59.314106Z"}],"osv":[{"id":"ALPINE-CVE-2021-21706","description":"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.","status":"published","published":"2021-10-04T04:15:08.35Z","modified":"2026-11-03T06:32:31.945732337Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T07:17:41.158523Z"},{"id":"BELL-CVE-2021-21706","title":"CVE-2021-21706 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:16:15.402738Z","modified":"2026-01-26T09:49:08.885083Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:28:15.925958Z"},{"id":"CVE-2021-21706","description":"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.","status":"published","published":"2021-10-04T04:15:08.35Z","modified":"2026-10-24T10:30:57.925037398Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.367807Z"},{"id":"UBUNTU-CVE-2021-21706","description":"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.","status":"withdrawn","published":"2021-10-04T04:15:00Z","modified":"2025-07-16T08:15:29.513484Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:26.29421Z"},{"id":"BIT-libphp-2021-21706","title":"ZipArchive::extractTo may extract outside of destination dir","description":"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.","status":"published","published":"2025-08-11T13:53:29.596Z","modified":"2026-09-08T08:48:08.325279151Z","updated_at":"2026-11-02T15:28:32.162822Z"},{"id":"BIT-php-2021-21706","title":"ZipArchive::extractTo may extract outside of destination dir","description":"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.","status":"published","published":"2024-03-06T11:04:50.991Z","modified":"2026-09-08T08:48:18.261748337Z","updated_at":"2026-11-02T15:28:34.343258Z"},{"id":"BIT-php-min-2021-21706","title":"ZipArchive::extractTo may extract outside of destination dir","description":"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.","status":"published","published":"2025-01-14T19:22:26.617Z","modified":"2026-09-08T08:47:53.18630686Z","updated_at":"2026-11-02T15:28:34.343258Z"},{"id":"openSUSE-SU-2024:11167-1","title":"php7-7.4.24-1.1 on GA media","description":"These are all security issues fixed in the php7-7.4.24-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:40:15.236741Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"openSUSE-SU-2024:11169-1","title":"php8-8.0.11-1.1 on GA media","description":"These are all security issues fixed in the php8-8.0.11-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:14:38.718583Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"SUSE-SU-2022:4068-1","title":"Security update for php74","description":"This update for php74 fixes the following issues:\n\n- Version update to 7.4.33:\n- CVE-2022-31630: Fixed out-of-bounds read due to insufficient input validation in imageloadfont() (bsc#1204979).\n- CVE-2022-37454: Fixed buffer overflow in hash_update() on long parameter (bsc#1204577).\n\n- Version update to 7.4.32 (jsc#SLE-23639)\n- CVE-2022-31628: Fixed an uncontrolled recursion in the phar uncompressor while decompressing 'quines' gzip files. (bsc#1203867)\n- CVE-2022-31629: Fixed a bug which could lead an attacker to set an insecure cookie that will treated as secure in the victim's browser. (bsc#1203870)\n","status":"published","published":"2022-11-18T10:55:22Z","modified":"2026-02-04T02:31:07.533852Z","updated_at":"2026-11-02T15:53:51.440565Z"},{"id":"SUSE-SU-2022:4069-1","title":"Security update for php7","description":"This update for php7 fixes the following issues:\n\n- Version update to 7.4.33:\n- CVE-2022-31630: Fixed out-of-bounds read due to insufficient input validation in imageloadfont() (bsc#1204979).\n- CVE-2022-37454: Fixed buffer overflow in hash_update() on long parameter (bsc#1204577).\n\n- Version update to 7.4.32 (jsc#SLE-23639)\n- CVE-2022-31628: Fixed an uncontrolled recursion in the phar uncompressor while decompressing 'quines' gzip files. (bsc#1203867)\n- CVE-2022-31629: Fixed a bug which could lead an attacker to set an insecure cookie that will treated as secure in the victim's browser. (bsc#1203870)\n","status":"published","published":"2022-11-18T10:56:52Z","modified":"2026-02-04T02:13:47.996905Z","updated_at":"2026-11-02T15:53:51.440565Z"}]}}