RHSA-2024:2368MediumCVSS 7.5

Red Hat Security Advisory: mod_http2 security update

Published
April 30, 2024
Last Modified
August 4, 2026

🔗 CVE IDs covered (2)

CVE-2023-43622 →CVE-2023-45802 →

📋 Description

CVE-2023-43622 — httpd: mod_http2: DoS in HTTP/2 with initial window size 0 CVE-2023-45802 — mod_http2: reset requests exhaust memory (incomplete fix of CVE-2023-44487)

🎯 Affected products14

  • Red Hat Enterprise Linux AppStream (v. 9)
  • mod_http2-0:2.0.26-1.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mod_http2-0:2.0.26-1.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mod_http2-0:2.0.26-1.el9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mod_http2-0:2.0.26-1.el9.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mod_http2-0:2.0.26-1.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mod_http2-debuginfo-0:2.0.26-1.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mod_http2-debuginfo-0:2.0.26-1.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mod_http2-debuginfo-0:2.0.26-1.el9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mod_http2-debuginfo-0:2.0.26-1.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mod_http2-debugsource-0:2.0.26-1.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mod_http2-debugsource-0:2.0.26-1.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mod_http2-debugsource-0:2.0.26-1.el9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mod_http2-debugsource-0:2.0.26-1.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 References (7)