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OpenAdvisories
High 1 exploited CVE DSA-5540-1 2 CVEs

jetty9 - security update

Published Oct 30, 2023 · Updated Mar 9, 2026

Ecosystem: Debian

Fixed packages 2

ReleasePackageFixed in
Debian · 11 jetty9 9.4.50-4+deb11u1
Debian · 12 jetty9 9.4.50-4+deb12u2

Vulnerabilities 2

  • High 7.5
    CVE-2023-44487 Exploited Public exploit EPSS 100%

    HTTP/2 Stream Cancellation Attack

    The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

    nodejs golang go kubescape Debian Ubuntu Azure Linux Alpine Wolfi Maven Go SwiftURL
    KEV Oct 10, 2023
  • High 7.5
    CVE-2023-36478

    HTTP/2 HPACK integer overflow and buffer allocation

    Eclipse Jetty provides a web server and servlet container. In versions 11.0.0 through 11.0.15, 10.0.0 through 10.0.15, and 9.0.0 through 9.4.52, an integer overflow in `MetaDataBuilder.checkSize` allows for HTTP/2 HPACK header values to exceed their size limi…

    Eclipse Foundation jetty.project jetty9 jetty Debian Ubuntu Alpine Maven