RHSA-2026:85959MediumCVSS 5.3

Red Hat Security Advisory: fetchmail security update

Published
October 20, 2026
Last Modified
October 20, 2026

🔗 CVE IDs covered (1)

CVE-2026-94184 →

📋 Description

CVE-2026-94184 — fetchmail: fetchmail: stack-based buffer overflow in NTLM authentication (fetchmail-SA-2026-01)

🎯 Affected products14

  • Red Hat Enterprise Linux AppStream (v. 10)
  • fetchmail-0:6.4.38-3.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • fetchmail-0:6.4.38-3.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • fetchmail-0:6.4.38-3.el10_2.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • fetchmail-0:6.4.38-3.el10_2.1.src as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • fetchmail-0:6.4.38-3.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • fetchmail-debuginfo-0:6.4.38-3.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • fetchmail-debuginfo-0:6.4.38-3.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • fetchmail-debuginfo-0:6.4.38-3.el10_2.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • fetchmail-debuginfo-0:6.4.38-3.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • fetchmail-debugsource-0:6.4.38-3.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • fetchmail-debugsource-0:6.4.38-3.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • fetchmail-debugsource-0:6.4.38-3.el10_2.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • fetchmail-debugsource-0:6.4.38-3.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)

✅ 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: Rebuild fetchmail without --enable-NTLM (omit NTLM at configure time). Confirm with `fetchmail -V` that the build does not list +NTLM.

🔗 References (4)