{"id":"USN-8749-1","summary":"civetweb vulnerabilities","details":"It was discovered that CivetWeb did not correctly handle parsing certain\nURIs. A remote attacker could possibly use this issue to cause a denial\nof service or execute arbitrary code. This issue only affected\nUbuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2025-55763)\n\nIt was discovered that CivetWeb did not correctly handle parsing certain\nHTTP requests. A remote attacker could possibly use this issue to cause\na denial of service. (CVE-2025-9648)","modified":"2026-09-14T11:27:23.822897300Z","published":"2026-09-14T01:27:29Z","related":["UBUNTU-CVE-2025-55763","UBUNTU-CVE-2025-9648"],"upstream":["CVE-2025-55763","CVE-2025-9648","UBUNTU-CVE-2025-55763","UBUNTU-CVE-2025-9648"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8749-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-9648"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-55763"}],"affected":[{"package":{"name":"civetweb","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/civetweb?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.15+dfsg-3ubuntu0.1~esm1"}]}],"versions":["1.13+dfsg-5","1.15+dfsg-1","1.15+dfsg-3"],"ecosystem_specific":{"binaries":[{"binary_name":"civetweb","binary_version":"1.15+dfsg-3ubuntu0.1~esm1"},{"binary_name":"libcivetweb1","binary_version":"1.15+dfsg-3ubuntu0.1~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-8749-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:22.04:LTS","cves":[{"id":"CVE-2025-9648","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2025-55763","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"}]}]}}},{"package":{"name":"civetweb","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/civetweb?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16+dfsg-1ubuntu0.1"}]}],"versions":["1.16+dfsg-1","1.16+dfsg-1build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"civetweb","binary_version":"1.16+dfsg-1ubuntu0.1"},{"binary_version":"1.16+dfsg-1ubuntu0.1","binary_name":"libcivetweb1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2025-9648","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-55763","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"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8749-1.json"}},{"package":{"name":"civetweb","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/civetweb?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16+dfsg-3ubuntu0.1"}]}],"versions":["1.16+dfsg-2","1.16+dfsg-3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"civetweb","binary_version":"1.16+dfsg-3ubuntu0.1"},{"binary_name":"libcivetweb1","binary_version":"1.16+dfsg-3ubuntu0.1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:26.04:LTS","cves":[{"id":"CVE-2025-9648","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8749-1.json"}}],"schema_version":"1.9.0"}