Skip to content
OpenAdvisories
High DSA-4511-1 2 CVEs

nghttp2 - security update

Published Sep 1, 2019 · Updated Mar 9, 2026

Ecosystem: Debian

Fixed packages 2

ReleasePackageFixed in
Debian · 10 nghttp2 1.36.0-2+deb10u1
Debian · 9 nghttp2 1.18.1-1+deb9u1

Vulnerabilities 2

  • High 7.5
    CVE-2019-9511 Public exploit EPSS 60%

    Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service

    Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manip…

    nodejs nodejs nodejs nginx Debian Ubuntu Alpine
  • High 7.5
    CVE-2019-9513 Public exploit EPSS 82%

    Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service

    Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority…

    nodejs nodejs nodejs nginx Debian Ubuntu Alpine