RHSA-2023:6745HighCVSS 8.1

Red Hat Security Advisory: curl security update

Published
November 7, 2023
Last Modified
October 15, 2026

🔗 CVE IDs covered (2)

CVE-2023-38545 →CVE-2023-38546 →

📋 Description

CVE-2023-38545 — curl: heap based buffer overflow in the SOCKS5 proxy handshake CVE-2023-38546 — curl: cookie injection with none file

🎯 Affected products76

  • Red Hat Enterprise Linux AppStream (v. 9)
  • Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-0:7.76.1-26.el9_3.2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-0:7.76.1-26.el9_3.2.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-0:7.76.1-26.el9_3.2.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-0:7.76.1-26.el9_3.2.src as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-0:7.76.1-26.el9_3.2.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-debuginfo-0:7.76.1-26.el9_3.2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • curl-debuginfo-0:7.76.1-26.el9_3.2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-debuginfo-0:7.76.1-26.el9_3.2.i686 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • curl-debuginfo-0:7.76.1-26.el9_3.2.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-debuginfo-0:7.76.1-26.el9_3.2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • curl-debuginfo-0:7.76.1-26.el9_3.2.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-debuginfo-0:7.76.1-26.el9_3.2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • curl-debuginfo-0:7.76.1-26.el9_3.2.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-debuginfo-0:7.76.1-26.el9_3.2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • curl-debuginfo-0:7.76.1-26.el9_3.2.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-debugsource-0:7.76.1-26.el9_3.2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • curl-debugsource-0:7.76.1-26.el9_3.2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-debugsource-0:7.76.1-26.el9_3.2.i686 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • curl-debugsource-0:7.76.1-26.el9_3.2.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-debugsource-0:7.76.1-26.el9_3.2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • curl-debugsource-0:7.76.1-26.el9_3.2.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-debugsource-0:7.76.1-26.el9_3.2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • curl-debugsource-0:7.76.1-26.el9_3.2.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-debugsource-0:7.76.1-26.el9_3.2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • curl-debugsource-0:7.76.1-26.el9_3.2.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-minimal-0:7.76.1-26.el9_3.2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-minimal-0:7.76.1-26.el9_3.2.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • curl-minimal-0:7.76.1-26.el9_3.2.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • +46 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: To avoid this issue, we recommend you do not use `CURLPROXY_SOCKS5_HOSTNAME` proxies with curl. Also do not set a proxy environment variable to socks5h://

🔗 References (5)