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CVE-2019-9513 Affecting libnghttp2 package, versions <0:1.33.0-1.el8_0.1

Severity

 Recommended
0.0
high
0
10

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    5.34% (94th percentile)

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  • Snyk ID SNYK-ORACLE8-LIBNGHTTP2-2538397
  • published 10 Apr 2022
  • disclosed 13 Aug 2019
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Introduced: 13 Aug 2019

CVE-2019-9513 Open this link in a new tab

How to fix?

Upgrade Oracle:8 libnghttp2 to version 0:1.33.0-1.el8_0.1 or higher.
This issue was patched in ELSA-2019-2692.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libnghttp2 package and not the libnghttp2 package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

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 tree. This can consume excess CPU.

References

CVSS Scores

version 3.1
Expand this section

NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High