{"id":"CVE-2025-1948","aliases":["GHSA-889j-63jv-qhr8"],"url":"https://o3.security/vulnerability/CVE-2025-1948","summary":"Eclipse Jetty HTTP clients can increase memory allocation","details":"In Eclipse Jetty versions 12.0.0 to 12.0.16 included, an HTTP/2 client can specify a very large value for the HTTP/2 settings parameter SETTINGS_MAX_HEADER_LIST_SIZE.\nThe Jetty HTTP/2 server does not perform validation on this setting, and tries to allocate a ByteBuffer of the specified capacity to encode HTTP responses, likely resulting in OutOfMemoryError being thrown, or even the JVM process exiting.","published":"2025-05-08T17:48:40.831Z","modified":"2026-07-15T01:49:06.202106788Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.eclipse.jetty.http2:jetty-http2-common","fixedVersion":"12.0.17"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/1xxx/CVE-2025-1948.json"},{"type":"ADVISORY","url":"https://github.com/jetty/jetty.project/security/advisories/GHSA-889j-63jv-qhr8"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-1948"},{"type":"REPORT","url":"https://gitlab.eclipse.org/security/cve-assignement/-/issues/56"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:49:06.202106788Z"}}