QID 242234

Date Published: 2023-10-25

QID 242234: Red Hat Update for varnish:6 (RHSA-2023:6020)

Varnish cache is a high-performance http accelerator.
It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up...Security Fix(es):

    http/2: multiple http/2 enabled web servers are vulnerable to a ddos attack (rapid reset attack) (cve-2023-44487).
Affected Products:
    Red Hat enterprise linux for x86_64 - extended update support 8.6 x86_64.
    Red hat enterprise linux server - aus 8.6 x86_64.
    Red hat enterprise linux for ibm z systems - extended update support 8.6 s390x.
    Red hat enterprise linux for power, little endian - extended update support 8.6 ppc64le.
    Red hat enterprise linux server - tus 8.6 x86_64.
    Red hat enterprise linux for arm 64 - extended update support 8.6 aarch64.
    Red hat enterprise linux server for power le - update services for sap solutions 8.6 ppc64le.
    Red hat enterprise linux for x86_64 - update services for sap solutions 8.6 x86_64.
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Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2023:6020 for updates and patch information.
    Vendor References

    CVEs related to QID 242234

    CVE-2023-44487 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:6020 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:6020
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