RHSA-2021:4839HighCVSS 8.0

Red Hat Security Advisory: mailman:2.1 security update

Published
November 24, 2021
Last Modified
September 7, 2026

🔗 CVE IDs covered (2)

CVE-2021-42096 →CVE-2021-42097 →

📋 Description

CVE-2021-42096 — mailman: CSRF token derived from admin password allows offline brute-force attack CVE-2021-42097 — mailman: CSRF token bypass allows to perform CSRF attacks and account takeover

🎯 Affected products14

  • Red Hat Enterprise Linux AppStream EUS (v.8.4)
  • mailman-3:2.1.29-11.module+el8.4.0+13212+81332387.1.aarch64 (mailman:2.1) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)
  • mailman-3:2.1.29-11.module+el8.4.0+13212+81332387.1.ppc64le (mailman:2.1) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)
  • mailman-3:2.1.29-11.module+el8.4.0+13212+81332387.1.s390x (mailman:2.1) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)
  • mailman-3:2.1.29-11.module+el8.4.0+13212+81332387.1.src (mailman:2.1) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)
  • mailman-3:2.1.29-11.module+el8.4.0+13212+81332387.1.x86_64 (mailman:2.1) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)
  • mailman-debuginfo-3:2.1.29-11.module+el8.4.0+13212+81332387.1.aarch64 (mailman:2.1) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)
  • mailman-debuginfo-3:2.1.29-11.module+el8.4.0+13212+81332387.1.ppc64le (mailman:2.1) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)
  • mailman-debuginfo-3:2.1.29-11.module+el8.4.0+13212+81332387.1.s390x (mailman:2.1) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)
  • mailman-debuginfo-3:2.1.29-11.module+el8.4.0+13212+81332387.1.x86_64 (mailman:2.1) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)
  • mailman-debugsource-3:2.1.29-11.module+el8.4.0+13212+81332387.1.aarch64 (mailman:2.1) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)
  • mailman-debugsource-3:2.1.29-11.module+el8.4.0+13212+81332387.1.ppc64le (mailman:2.1) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)
  • mailman-debugsource-3:2.1.29-11.module+el8.4.0+13212+81332387.1.s390x (mailman:2.1) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)
  • mailman-debugsource-3:2.1.29-11.module+el8.4.0+13212+81332387.1.x86_64 (mailman:2.1) as a component of Red Hat Enterprise Linux AppStream EUS (v.8.4)

✅ 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: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.

🔗 References (5)