{"id":"UBUNTU-CVE-2025-0825","details":"cpp-httplib version v0.17.3 through v0.18.3 fails to filter CRLF characters (\"\\r\\n\") when those are prefixed with a null byte. This enables attackers to exploit CRLF injection that could further lead to HTTP Response Splitting, XSS, and more.","modified":"2026-03-02T12:00:56.320624Z","published":"2025-02-04T15:15:00Z","withdrawn":"2026-03-02T11:09:11Z","upstream":["CVE-2025-0825"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-0825"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-0825"},{"type":"REPORT","url":"https://github.com/yhirose/cpp-httplib/commit/9c36aae4b73e2b6e493f4133e4173103c9266289"}],"affected":[{"package":{"name":"cpp-httplib","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/cpp-httplib@0.10.3+ds-1ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.9+ds-1","0.9.10+ds-1","0.10.1+ds-1","0.10.2+ds-1","0.10.3+ds-1","0.10.3+ds-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcpp-httplib-dev","binary_version":"0.10.3+ds-1ubuntu0.1~esm1"},{"binary_name":"libcpp-httplib0","binary_version":"0.10.3+ds-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-0825.json"}},{"package":{"name":"cpp-httplib","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/cpp-httplib@0.14.3+ds-1.1ubuntu0.1~esm1?arch=source&distro=esm-apps/noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.13.1+ds-1ubuntu1","0.14.3+ds-1","0.14.3+ds-1.1","0.14.3+ds-1.1build1","0.14.3+ds-1.1build2","0.14.3+ds-1.1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcpp-httplib-dev","binary_version":"0.14.3+ds-1.1ubuntu0.1~esm1"},{"binary_name":"libcpp-httplib0.14t64","binary_version":"0.14.3+ds-1.1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-0825.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}