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Red Hat Product Errata RHSA-2023:5766 - Security Advisory
Issued:
2023-10-17
Updated:
2023-10-17

RHSA-2023:5766 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: nghttp2 security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for nghttp2 is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

nghttp2 contains the Hypertext Transfer Protocol version 2 (HTTP/2) client, server, and proxy programs as well as a library implementing the HTTP/2 protocol in C.

Security Fix(es):

  • HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)

A Red Hat Security Bulletin which addresses further details about this flaw is available in the References section.

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.1 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1 x86_64

Fixes

  • BZ - 2242803 - CVE-2023-44487 HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

CVEs

  • CVE-2023-44487

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://access.redhat.com/security/vulnerabilities/RHSB-2023-003
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.1

SRPM
nghttp2-1.33.0-3.el8_1.2.src.rpm SHA-256: 3ee7ce1135f8915e330ef296eeb6c4d4e0c7b3c2a8935cec0779f5b4914d880d
ppc64le
libnghttp2-1.33.0-3.el8_1.2.ppc64le.rpm SHA-256: 1594c8c44d53c3beadcacf02712af121c8a24fede9735a72110952cebfa27a8f
libnghttp2-debuginfo-1.33.0-3.el8_1.2.ppc64le.rpm SHA-256: c2ad5bf49393a2b3ac23488f385d6d0e50b23bbb9f411a8038dac2d080df84c2
nghttp2-debuginfo-1.33.0-3.el8_1.2.ppc64le.rpm SHA-256: 883a4120373dc3c76f62bd7a4d91013e769c16a7741b25a96b414f43bb974386
nghttp2-debugsource-1.33.0-3.el8_1.2.ppc64le.rpm SHA-256: 6ce0821291d35208a755cf2451e6e726bfbb45b6292b73d600752fde9ca962e1

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1

SRPM
nghttp2-1.33.0-3.el8_1.2.src.rpm SHA-256: 3ee7ce1135f8915e330ef296eeb6c4d4e0c7b3c2a8935cec0779f5b4914d880d
x86_64
libnghttp2-1.33.0-3.el8_1.2.i686.rpm SHA-256: e00f0a6cef64ac2f74371d5e107c2b9213a4926b3f66db5db350966f724017c7
libnghttp2-1.33.0-3.el8_1.2.x86_64.rpm SHA-256: c5586a94eba790ee0d3b25eb5744e2241fbef17e200614d6f1ed5e82af64acbd
libnghttp2-debuginfo-1.33.0-3.el8_1.2.i686.rpm SHA-256: c49c76630f968fa3a519a39c3994b37771fce6ab48b462d0f2de982584cf4964
libnghttp2-debuginfo-1.33.0-3.el8_1.2.x86_64.rpm SHA-256: 0e22f8f2ebe1cb6206ed6c17abcda6f0bf30221e1f38801841b5de218172070e
nghttp2-debuginfo-1.33.0-3.el8_1.2.i686.rpm SHA-256: 96159adc9a2ed5c00ea923fb1ecc358963f29979f1fe9ab4b3188efcbc4f4fc7
nghttp2-debuginfo-1.33.0-3.el8_1.2.x86_64.rpm SHA-256: b0ea78a7ad14718d4b0e29943f741cf5c1961bbce2e66e3b8d66e29fb6e4e551
nghttp2-debugsource-1.33.0-3.el8_1.2.i686.rpm SHA-256: a33f6322d6821f4459347bfa355afc4141a6448e3c73ffc6ce2745959b4fad88
nghttp2-debugsource-1.33.0-3.el8_1.2.x86_64.rpm SHA-256: 2772a3a28d5ca5c2fd53d4720ce541894080f1c9b9f6d550d48965a851c9455a

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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