CVE-2025-52999: jackson-core can throw a StackoverflowError when processing deeply nested data

CVE-2025-52999 · Severity: medium · CVSS 4 · Published 2025-06-27

jackson-core can throw a StackoverflowError when processing deeply nested data

Technologies: com.fasterxml.jackson.core:jackson-core (Maven). Vendors: Maven.

Quick answers

Is CVE-2025-52999 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-52999 being exploited in the wild.
How severe is CVE-2025-52999?
Medium severity, with a CVSS score of 4, published 27 June 2025.
Which products and versions are affected?
com.fasterxml.jackson.core:jackson-core (Maven) ECOSYSTEM:introduced=0,fixed=2.15.0.
Is there a fix for CVE-2025-52999?
Yes. com.fasterxml.jackson.core:jackson-core (Maven): upgrade to 2.15.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-52999?
Check whether you run com.fasterxml.jackson.core:jackson-core (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • com.fasterxml.jackson.core:jackson-core (Maven): upgrade to 2.15.0 or later
    # set com.fasterxml.jackson.core:jackson-core to 2.15.0 in your pom.xml or build.gradle

Affected products

  • com.fasterxml.jackson.core:jackson-core (Maven) ECOSYSTEM:introduced=0,fixed=2.15.0

Identifiers

  • CVE-2025-52999
  • GHSA-h46c-h94j-95f3

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.