RHSA-2021:3582MediumCVSS 6.5

Red Hat Security Advisory: curl security update

Published
September 21, 2021
Last Modified
October 14, 2026

🔗 CVE IDs covered (3)

CVE-2021-22922 →CVE-2021-22923 →CVE-2021-22924 →

📋 Description

CVE-2021-22922 — curl: Content not matching hash in Metalink is not being discarded CVE-2021-22923 — curl: Metalink download sends credentials CVE-2021-22924 — curl: Bad connection reuse due to flawed path name checks

🎯 Affected products46

  • Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-0:7.61.1-18.el8_4.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-0:7.61.1-18.el8_4.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-0:7.61.1-18.el8_4.1.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-0:7.61.1-18.el8_4.1.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-0:7.61.1-18.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-debuginfo-0:7.61.1-18.el8_4.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-debuginfo-0:7.61.1-18.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-debuginfo-0:7.61.1-18.el8_4.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-debuginfo-0:7.61.1-18.el8_4.1.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-debuginfo-0:7.61.1-18.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-debugsource-0:7.61.1-18.el8_4.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-debugsource-0:7.61.1-18.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-debugsource-0:7.61.1-18.el8_4.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-debugsource-0:7.61.1-18.el8_4.1.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-debugsource-0:7.61.1-18.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-minimal-debuginfo-0:7.61.1-18.el8_4.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-minimal-debuginfo-0:7.61.1-18.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-minimal-debuginfo-0:7.61.1-18.el8_4.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-minimal-debuginfo-0:7.61.1-18.el8_4.1.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • curl-minimal-debuginfo-0:7.61.1-18.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libcurl-0:7.61.1-18.el8_4.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libcurl-0:7.61.1-18.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libcurl-0:7.61.1-18.el8_4.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libcurl-0:7.61.1-18.el8_4.1.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libcurl-0:7.61.1-18.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libcurl-debuginfo-0:7.61.1-18.el8_4.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libcurl-debuginfo-0:7.61.1-18.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libcurl-debuginfo-0:7.61.1-18.el8_4.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libcurl-debuginfo-0:7.61.1-18.el8_4.1.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • +16 more not shown

✅ 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: This flaw can be mitigated by upgrading the affected curl utility to version 7.78.0 or by disabling the metalink feature in your current build Workaround: This flaw can be mitigated by upgrading the affected curl utility to version 7.78.0

🔗 References (6)