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    CVE-2018-12545

    In Eclipse Jetty version 9.3.x and 9.4.x, the server is vulnerable to Denial of Service conditions if a remote client sends either large SETTINGs frames container containing many settings, or many small SETTINGs frames. The vulnerability is due to the additional CPU and memory allocations required to handle changed settings.

    Published:Mar 20, 2019
    Last Modified:Nov 21, 2024
    EPS:Mar 27, 2019
    EPSS Score:0.04755
    CVSS Score:7.5

    Affected Products

    Vendor
    Eclipse
    Product
    Jetty
    Vendor
    Fedoraproject
    Product
    Fedora

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-12611 (CVSS 8.7) — A client may issue HTTP/2 requests to a Jetty server that result in blocking writes that are never unblocked, …
    CVE-2026-19203 (CVSS 8.3) — A client may issue specially crafted HTTP/1.1 chunked requests to a Jetty server that cause Jetty and an inter…
    CVE-2026-19204 (CVSS 8.7) — A client may send a WebSocket frame with an unknown opcode and a very large declared payload length, causing J…
    CVE-2026-10050 (CVSS 8.7) — In Eclipse Jetty, the Digest authentication server-side component uses ISO-8859-1 to encode the password as by…
    CVE-2024-7708 (CVSS 7.5) — For requests that have a body, but reading the body may end up in reading 0 bytes, there is a buffer leak. Thi…
    CVE-2026-8384 (CVSS 5.3) — In Eclipse Jetty, an HTTP URI of this form: /public;/../admin/secret.txt results in an unresolved…
    CVE-2026-6790 (CVSS 5.3) — In Eclipse Jetty, for HTTP/1, HTTP/2 and HTTP/3 requests, there is no strict check that the request authority …
    CVE-2026-10051 (CVSS 6.9) — In Eclipse Jetty, a first HTTP/1.1 request with trailers causes the server to retain the trailers in subsequen…
    CVE-2026-2332 (CVSS 7.4) — In Eclipse Jetty, the HTTP/1.1 parser is vulnerable to request smuggling when chunk extensions are used, simil…
    CVE-2026-5795 (CVSS 7.4) — In Eclipse Jetty, the class JASPIAuthenticator initiates the authentication checks, which set two ThreadLocal …

    References

    https://bugs.eclipse.org/bugs/show_bug.cgi?id=538096
    https://lists.apache.org/thread.html/13f5241048ec0bf966a6ddd306feaf40de5b20e1f09096b9cddeddf2%40%3Ccommits.accumulo.apache.org%3E
    https://lists.apache.org/thread.html/70744fe4faba8e2fa7e50a7fc794dd03cb28dad8b21e08ee59bb1606%40%3Cdevnull.infra.apache.org%3E
    https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E
    https://lists.apache.org/thread.html/febc94ffec9275dcda64633e0276a1400cd318e571009e4cda9b7a79%40%3Cnotifications.accumulo.apache.org%3E
    https://lists.apache.org/thread.html/ff8dcfe29377088ab655fda9d585dccd5b1f07fabd94ae84fd60a7f8%40%3Ccommits.pulsar.apache.org%3E
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CIS4LALKZNLF5X5IGNGRSKERG7FY4QG6/
    https://www.oracle.com/security-alerts/cpuoct2020.html
    https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
    https://bugs.eclipse.org/bugs/show_bug.cgi?id=538096
    https://lists.apache.org/thread.html/13f5241048ec0bf966a6ddd306feaf40de5b20e1f09096b9cddeddf2%40%3Ccommits.accumulo.apache.org%3E
    https://lists.apache.org/thread.html/70744fe4faba8e2fa7e50a7fc794dd03cb28dad8b21e08ee59bb1606%40%3Cdevnull.infra.apache.org%3E
    https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E
    https://lists.apache.org/thread.html/febc94ffec9275dcda64633e0276a1400cd318e571009e4cda9b7a79%40%3Cnotifications.accumulo.apache.org%3E
    https://lists.apache.org/thread.html/ff8dcfe29377088ab655fda9d585dccd5b1f07fabd94ae84fd60a7f8%40%3Ccommits.pulsar.apache.org%3E
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CIS4LALKZNLF5X5IGNGRSKERG7FY4QG6/
    https://www.oracle.com/security-alerts/cpuoct2020.html
    https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High