ALSA-2026:86706: Moderate: jackson-core security update

Published Oct 21, 2026
·
Updated

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.

Affected Software

1 affected componentFixes available
almalinux/pki-jackson-core<2.21.6-1.el9_8.2
2.21.6-1.el9_8.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade almalinux/pki-jackson-core to a version that resolves this vulnerability.

    Fixed in 2.21.6-1.el9_8.2

Event History

Oct 21, 2026
Advisory Published
via OSV·12:00 AM
Data Sourced
via OSV·12:00 AM
DescriptionAffected Software

Company

Resources

Contact

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