{"id":"USN-7567-1","summary":"modsecurity-apache vulnerabilities","details":"Simon Studer discovered that ModSecurity incorrectly handled certain\nJSON objects. An attacker could possibly use this issue to cause a denial\nof service. (CVE-2025-47947)\n\nIt was discovered that ModSecurity incorrectly handled requests when\nparsing certain form data. An attacker could possibly use this issue to\ncause a denial of service. (CVE-2025-48866)","modified":"2026-06-25T13:33:17.829589207Z","published":"2025-06-13T05:00:45Z","related":["UBUNTU-CVE-2025-47947","UBUNTU-CVE-2025-48866"],"upstream":["CVE-2025-47947","CVE-2025-48866","UBUNTU-CVE-2025-47947","UBUNTU-CVE-2025-48866"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7567-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-47947"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-48866"}],"affected":[{"package":{"name":"modsecurity-apache","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/modsecurity-apache?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.7-2ubuntu0.1~esm2"}]}],"versions":["2.7.4-1","2.7.5-1","2.7.7-1","2.7.7-1ubuntu1","2.7.7-2","2.7.7-2ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.7.7-2ubuntu0.1~esm2","binary_name":"libapache2-mod-security2"},{"binary_version":"2.7.7-2ubuntu0.1~esm2","binary_name":"libapache2-modsecurity"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7567-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"id":"CVE-2025-47947","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2025-48866","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]}]}}},{"package":{"name":"modsecurity-apache","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/modsecurity-apache?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-1ubuntu0.1~esm2"}]}],"versions":["2.9.0-1","2.9.0-1ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"2.9.0-1ubuntu0.1~esm2","binary_name":"libapache2-mod-security2"},{"binary_name":"libapache2-modsecurity","binary_version":"2.9.0-1ubuntu0.1~esm2"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-47947"},{"id":"CVE-2025-48866","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7567-1.json"}},{"package":{"name":"modsecurity-apache","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/modsecurity-apache?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.2-1ubuntu0.1~esm2"}]}],"versions":["2.9.1-3","2.9.2-1","2.9.2-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache2-mod-security2","binary_version":"2.9.2-1ubuntu0.1~esm2"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2025-47947","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2025-48866","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7567-1.json"}},{"package":{"name":"modsecurity-apache","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/modsecurity-apache?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3-1ubuntu0.1+esm1"}]}],"versions":["2.9.3-1","2.9.3-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache2-mod-security2","binary_version":"2.9.3-1ubuntu0.1+esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7567-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"id":"CVE-2025-47947","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-48866","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"modsecurity-apache","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/modsecurity-apache?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.5-1ubuntu0.1~esm2"}]}],"versions":["2.9.3-3","2.9.5-1","2.9.5-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache2-mod-security2","binary_version":"2.9.5-1ubuntu0.1~esm2"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2025-47947","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2025-48866"}],"ecosystem":"Ubuntu:Pro:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7567-1.json"}},{"package":{"name":"modsecurity-apache","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/modsecurity-apache?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.7-1ubuntu0.24.04.1~esm1"}]}],"versions":["2.9.7-1","2.9.7-1build2","2.9.7-1build3"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache2-mod-security2","binary_version":"2.9.7-1ubuntu0.24.04.1~esm1"}],"availability":"Available with Ubuntu Pro: 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