RHSA-2026:24342MediumCVSS 5.4

Red Hat Security Advisory: python-tornado security update

Published
June 8, 2026
Last Modified
August 18, 2026

🔗 CVE IDs covered (2)

CVE-2026-31958 →CVE-2026-35536 →

📋 Description

CVE-2026-31958 — tornado-python: Tornado: Denial of Service via large multipart bodies CVE-2026-35536 — tornado: Tornado: Cookie attribute injection due to improper handling of cookie arguments

🎯 Affected products14

  • Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • python-tornado-0:4.2.1-5.el7_9.3.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • python-tornado-0:4.2.1-5.el7_9.3.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • python-tornado-0:4.2.1-5.el7_9.3.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • python-tornado-0:4.2.1-5.el7_9.3.src as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • python-tornado-0:4.2.1-5.el7_9.3.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • python-tornado-debuginfo-0:4.2.1-5.el7_9.3.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • python-tornado-debuginfo-0:4.2.1-5.el7_9.3.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • python-tornado-debuginfo-0:4.2.1-5.el7_9.3.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • python-tornado-debuginfo-0:4.2.1-5.el7_9.3.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • python-tornado-doc-0:4.2.1-5.el7_9.3.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • python-tornado-doc-0:4.2.1-5.el7_9.3.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • python-tornado-doc-0:4.2.1-5.el7_9.3.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • python-tornado-doc-0:4.2.1-5.el7_9.3.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)

✅ 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: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 References (5)