Red Hat Security Advisory

RHSA-2026:89924

jackson-databind security update

Released 2026-10-26 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream E4S (v.9.2) jackson-databind-2.21.6-1.el9_2.1, pki-jackson-databind-2.21.6-1.el9_2.1

Fixes 2 records

TI-2026-61988 CVE-2026-91777 · GHSA-cxp5-3px4-pw24

jackson-databind: quadratic forward-reference completion in Collection and Map deserializers

HIGH 72

Forward-reference completion for @JsonIdentityInfo object IDs in FasterXML jackson-databind performs a linear scan of the pending-reference accumulator for every resolved ID.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00487 Published 2026-09-23 Partial fix · 2.21.7, 3.1.7 +3 CWE-400

TI-2026-48272 CVE-2026-68497 · GHSA-q4xh-88c3-wmh7

Regular expression denial of service in FasterXML jackson-databind

HIGH 72

jackson-databind binds a JSON string to a javax.xml.datatype.Duration or javax.xml.datatype.XMLGregorianCalendar field by passing the raw string verbatim to DatatypeFactory.newDuration(value) or newXMLGregorianCalendar(v…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00628 Published 2026-09-11 Partial fix · 2.18.10, 2.21.6 +3 CWE-1333