{"id":"USN-7814-1","summary":"libhtp vulnerabilities","details":"It was discovered that LibHTP did not correctly handle certain HTTP\nheaders. A remote attacker could possibly use this issue to cause a denial\nof service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS,\nUbuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2024-23837)\n\nIt was discovered that LibHTP did not correctly parse certain HTTP\nrequests. A remote attacker could possibly use this issue to cause a\ndenial of service. This issue only affected Ubuntu 20.04 LTS,\nUbuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2024-28871)\n\nIt was discovered that LibHTP did not correctly parse certain HTTP\nrequests. A remote attacker could possibly use this issue to cause a\ndenial of service. (CVE-2024-45797)\n\nIt was discovered that LibHTP did not correctly handle certain memory\noperations. A remote attacker could possibly use this issue to cause a\ndenial of service. This issue only affected Ubuntu 20.04 LTS,\nUbuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 25.04. (CVE-2025-53537)","modified":"2026-04-27T17:47:45.673385Z","published":"2025-10-09T02:15:21Z","related":["UBUNTU-CVE-2024-23837","UBUNTU-CVE-2024-28871","UBUNTU-CVE-2024-45797","UBUNTU-CVE-2025-53537"],"upstream":["CVE-2024-23837","CVE-2024-28871","CVE-2024-45797","CVE-2025-53537","UBUNTU-CVE-2024-23837","UBUNTU-CVE-2024-28871","UBUNTU-CVE-2024-45797","UBUNTU-CVE-2025-53537"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7814-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-23837"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-28871"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-45797"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-53537"}],"affected":[{"package":{"name":"libhtp","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libhtp@0.5.15-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.15-1ubuntu0.1~esm1"}]}],"versions":["0.5.15-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libhtp1","binary_version":"0.5.15-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-23837"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-45797"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-53537"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7814-1.json"}},{"package":{"name":"libhtp","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libhtp@1:0.5.26-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.5.26-1ubuntu0.1~esm1"}]}],"versions":["1:0.5.25-1","1:0.5.26-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libhtp2","binary_version":"1:0.5.26-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-23837"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-45797"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-53537"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7814-1.json"}},{"package":{"name":"libhtp","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libhtp@1:0.5.32-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.5.32-1ubuntu0.1~esm1"}]}],"versions":["1:0.5.30-1","1:0.5.31-1","1:0.5.32-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libhtp2","binary_version":"1:0.5.32-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-23837"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-28871"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-45797"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-53537"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7814-1.json"}},{"package":{"name":"libhtp","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/libhtp@1:0.5.39-1ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.5.39-1ubuntu0.1~esm1"}]}],"versions":["1:0.5.36-1","1:0.5.38-1","1:0.5.39-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libhtp2","binary_version":"1:0.5.39-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:22.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-23837"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-28871"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-45797"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-53537"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7814-1.json"}},{"package":{"name":"libhtp","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/libhtp@1:0.5.46-1ubuntu2+esm1?arch=source&distro=esm-apps/noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.5.46-1ubuntu2+esm1"}]}],"versions":["1:0.5.45-1","1:0.5.46-1ubuntu1","1:0.5.46-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"libhtp2","binary_version":"1:0.5.46-1ubuntu2+esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:24.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-28871"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-45797"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-53537"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7814-1.json"}}],"schema_version":"1.7.5"}