RHSA-2026:98493HighCVSS 7.5

Red Hat Security Advisory: jackson-core security update

Published
November 11, 2026
Last Modified
November 12, 2026

🔗 CVE IDs covered (2)

CVE-2026-89407 →CVE-2026-89425 →

📋 Description

CVE-2026-89407 — com.fasterxml.jackson/jackson-core: tools.jackson.core/jackson-core: Jackson-core: Denial of Service via regular expression backtracking CVE-2026-89425 — com.fasterxml.jackson.core/jackson-core: Jackson-core: Denial of Service via unbounded StringBuilder growth during malformed token processing

🎯 Affected products3

  • Red Hat Enterprise Linux AppStream (v. 9)
  • jackson-core-0:2.21.6-1.el9_9.1.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • pki-jackson-core-0:2.21.6-1.el9_9.1.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)

✅ 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)