Issued at: 2026-10-22
Updated at: 2026-10-22
Advisory content derived from Red Hat RHSA-2026:86706, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Moderate: jackson-core security update
Description
Core part of Jackson that defines Streaming API as well as basic shared abstractions.
Security Fix(es):
* com.fasterxml.jackson/jackson-core: tools.jackson.core/jackson-core: Jackson-core: Denial of Service via regular expression backtracking (CVE-2026-89407)
* com.fasterxml.jackson.core/jackson-core: Jackson-core: Denial of Service via unbounded StringBuilder growth during malformed token processing (CVE-2026-89425)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.