RHSA-2026:85231 — Security Advisory
Red Hat Security Advisory: jackson-databind security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · October 20, 2026
Updated · November 4, 2026
Topic
An update for jackson-databind is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
The general-purpose data-binding functionality and tree-model for Jackson Data Processor. It builds on core streaming parser/generator package, and uses Jackson Annotations for configuration.
Security Fix(es):
- com.fasterxml.jackson.core/jackson-databind: tools.jackson.core:jackson-databind: Jackson-databind: Denial of Service via quadratic forward-reference completion (CVE-2026-91777)
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.