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High RHSA-2026:85231 1 CVE

Red Hat Security Advisory: jackson-databind security update

Published Oct 20, 2026 · Updated Oct 20, 2026

Ecosystem: Red Hat

Fixed packages 2

ReleasePackageFixed in
Red Hat · RHEL 9 enterprise_linux:9::appstream jackson-databind 0:2.21.6-1.el9_8.1
Red Hat · RHEL 9 enterprise_linux:9::appstream pki-jackson-databind 0:2.21.6-1.el9_8.1

Vulnerabilities 1

  • High 7.5
    CVE-2026-91777

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

    Forward-reference completion for @JsonIdentityInfo object IDs in FasterXML jackson-databind performs a linear scan of the pending-reference accumulator for every resolved ID. The affected paths are CollectionDeserializer.CollectionReferringAccumulator.resolve…

    FasterXML jackson-databind druid thingsboard-tb-node Debian Ubuntu Wolfi Maven

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2539085
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_85231.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-91777
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-91777
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-91777
  • article
    https://github.com/FasterXML/jackson-databind/issues/6204
  • article
    https://github.com/FasterXML/jackson-databind/security/advisories/GHSA-cxp5-3px4-pw24