RHSA-2026:86982MediumCVSS 5.3

Red Hat Security Advisory: fetchmail security update

Published
October 21, 2026
Last Modified
October 21, 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. 8)
  • fetchmail-0:6.4.24-1.el8_10.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • fetchmail-0:6.4.24-1.el8_10.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • fetchmail-0:6.4.24-1.el8_10.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • fetchmail-0:6.4.24-1.el8_10.1.src as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • fetchmail-0:6.4.24-1.el8_10.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • fetchmail-debuginfo-0:6.4.24-1.el8_10.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • fetchmail-debuginfo-0:6.4.24-1.el8_10.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • fetchmail-debuginfo-0:6.4.24-1.el8_10.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • fetchmail-debuginfo-0:6.4.24-1.el8_10.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • fetchmail-debugsource-0:6.4.24-1.el8_10.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • fetchmail-debugsource-0:6.4.24-1.el8_10.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • fetchmail-debugsource-0:6.4.24-1.el8_10.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • fetchmail-debugsource-0:6.4.24-1.el8_10.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)

✅ 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)