{"id":"UBUNTU-CVE-2022-22707","details":"In lighttpd 1.4.46 through 1.4.63, the mod_extforward_Forwarded function of the mod_extforward plugin has a stack-based buffer overflow (4 bytes representing -1), as demonstrated by remote denial of service (daemon crash) in a non-default configuration. The non-default configuration requires handling of the Forwarded header in a somewhat unusual manner. Also, a 32-bit system is much more likely to be affected than a 64-bit system.","modified":"2026-04-22T15:23:04.073821Z","published":"2022-01-06T06:15:00Z","related":["USN-5903-1"],"upstream":["CVE-2022-22707"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-22707"},{"type":"REPORT","url":"https://redmine.lighttpd.net/issues/3134"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5903-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-22707"}],"affected":[{"package":{"name":"lighttpd","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/lighttpd@1.4.55-1ubuntu1.20.04.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.55-1ubuntu1.20.04.2"}]}],"versions":["1.4.53-4ubuntu2","1.4.54-2ubuntu1","1.4.55-1ubuntu1","1.4.55-1ubuntu1.20.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"lighttpd","binary_version":"1.4.55-1ubuntu1.20.04.2"},{"binary_name":"lighttpd-mod-authn-gssapi","binary_version":"1.4.55-1ubuntu1.20.04.2"},{"binary_version":"1.4.55-1ubuntu1.20.04.2","binary_name":"lighttpd-mod-authn-pam"},{"binary_name":"lighttpd-mod-authn-sasl","binary_version":"1.4.55-1ubuntu1.20.04.2"},{"binary_name":"lighttpd-mod-cml","binary_version":"1.4.55-1ubuntu1.20.04.2"},{"binary_name":"lighttpd-mod-geoip","binary_version":"1.4.55-1ubuntu1.20.04.2"},{"binary_name":"lighttpd-mod-magnet","binary_version":"1.4.55-1ubuntu1.20.04.2"},{"binary_name":"lighttpd-mod-maxminddb","binary_version":"1.4.55-1ubuntu1.20.04.2"},{"binary_version":"1.4.55-1ubuntu1.20.04.2","binary_name":"lighttpd-mod-trigger-b4-dl"},{"binary_name":"lighttpd-mod-vhostdb-dbi","binary_version":"1.4.55-1ubuntu1.20.04.2"},{"binary_name":"lighttpd-mod-vhostdb-pgsql","binary_version":"1.4.55-1ubuntu1.20.04.2"},{"binary_version":"1.4.55-1ubuntu1.20.04.2","binary_name":"lighttpd-mod-webdav"},{"binary_name":"lighttpd-modules-ldap","binary_version":"1.4.55-1ubuntu1.20.04.2"},{"binary_version":"1.4.55-1ubuntu1.20.04.2","binary_name":"lighttpd-modules-mysql"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-22707.json"}},{"package":{"name":"lighttpd","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/lighttpd@1.4.63-1ubuntu3.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.63-1ubuntu3.1"}]}],"versions":["1.4.59-1ubuntu2","1.4.59-1ubuntu3","1.4.63-1ubuntu1","1.4.63-1ubuntu2","1.4.63-1ubuntu3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"lighttpd","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-mod-authn-gssapi","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-mod-authn-pam","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-mod-authn-sasl","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-mod-deflate","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-mod-geoip","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-mod-maxminddb","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-mod-mbedtls","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-mod-nss","binary_version":"1.4.63-1ubuntu3.1"},{"binary_version":"1.4.63-1ubuntu3.1","binary_name":"lighttpd-mod-openssl"},{"binary_name":"lighttpd-mod-trigger-b4-dl","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-mod-vhostdb-pgsql","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-mod-webdav","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-mod-wolfssl","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-modules-dbi","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-modules-ldap","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-modules-lua","binary_version":"1.4.63-1ubuntu3.1"},{"binary_name":"lighttpd-modules-mysql","binary_version":"1.4.63-1ubuntu3.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-22707.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}