Red Hat Security Advisory

RHSA-2026:85231

jackson-databind security update

Released 2026-10-19 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream (v. 9) jackson-databind-2.21.6-1.el9_8.1, pki-jackson-databind-2.21.6-1.el9_8.1

Fixes 1 record

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