{"id":"USN-7968-1","summary":"apache2 vulnerabilities","details":"It was discovered that the Apache HTTP Server incorrectly handled failed\nACME certificate renewals. This could result in renewal attempts to be\nrepeated without delays, possibly leading to a denial of service.\n(CVE-2025-55753)\n\nAnthony Parfenov discovered that the Apache HTTP Server would pass the\nquery string to cmd directives when configured with Server Side Includes\n(SSI) enabled and mod_cgid. An attacker could possibly use this issue to\nexecute arbitrary code. (CVE-2025-58098)\n\nMattias Åsander discovered that the Apache HTTP Server incorrectly\nneutralized certain environment variables. This could result in\nunexpectedly superseding variables calculated by the server for CGI\nprograms. (CVE-2025-65082)\n\nMattias Åsander discovered that the Apache HTTP Server incorrectly\nhandled AllowOverride FileInfo configurations when using mod_userdir with\nsuexec. An attacker with access to use the RequestHeader directive in\nhtaccess can cause some CGI scripts to run under an unexpected userid.\n(CVE-2025-66200)","modified":"2026-04-22T11:47:54.575997Z","published":"2026-01-19T14:59:49Z","related":["UBUNTU-CVE-2025-55753","UBUNTU-CVE-2025-58098","UBUNTU-CVE-2025-65082","UBUNTU-CVE-2025-66200"],"upstream":["CVE-2025-55753","CVE-2025-58098","CVE-2025-65082","CVE-2025-66200","UBUNTU-CVE-2025-55753","UBUNTU-CVE-2025-58098","UBUNTU-CVE-2025-65082","UBUNTU-CVE-2025-66200"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7968-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-55753"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-58098"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-65082"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-66200"}],"affected":[{"package":{"name":"apache2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.52-1ubuntu4.18?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.52-1ubuntu4.18"}]}],"versions":["2.4.48-3.1ubuntu3","2.4.48-3.1ubuntu4","2.4.51-2ubuntu1","2.4.52-1ubuntu1","2.4.52-1ubuntu2","2.4.52-1ubuntu4","2.4.52-1ubuntu4.1","2.4.52-1ubuntu4.2","2.4.52-1ubuntu4.3","2.4.52-1ubuntu4.4","2.4.52-1ubuntu4.5","2.4.52-1ubuntu4.6","2.4.52-1ubuntu4.7","2.4.52-1ubuntu4.8","2.4.52-1ubuntu4.9","2.4.52-1ubuntu4.10","2.4.52-1ubuntu4.11","2.4.52-1ubuntu4.12","2.4.52-1ubuntu4.13","2.4.52-1ubuntu4.14","2.4.52-1ubuntu4.15","2.4.52-1ubuntu4.16"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.52-1ubuntu4.18","binary_name":"apache2"},{"binary_version":"2.4.52-1ubuntu4.18","binary_name":"apache2-bin"},{"binary_version":"2.4.52-1ubuntu4.18","binary_name":"apache2-data"},{"binary_version":"2.4.52-1ubuntu4.18","binary_name":"apache2-suexec-custom"},{"binary_version":"2.4.52-1ubuntu4.18","binary_name":"apache2-suexec-pristine"},{"binary_version":"2.4.52-1ubuntu4.18","binary_name":"apache2-utils"},{"binary_version":"2.4.52-1ubuntu4.18","binary_name":"libapache2-mod-md"},{"binary_version":"2.4.52-1ubuntu4.18","binary_name":"libapache2-mod-proxy-uwsgi"}],"availability":"No subscription 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