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Advisory record · GHSA-72hv-8253-57qq

jackson-core: Number Length Constraint Bypass in Async Parser Leads to Potential DoS Condition

CVSS 6.9 MediumEPSS 0.0041 · 35th percentile

Published by the GitHub Advisory Database at 28 Feb 2026, 02:01 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
tools.jackson.core:jackson-coreMaven>=3.0.0, <3.1.03.1.0
com.fasterxml.jackson.core:jackson-coreMaven>=2.19.0, <2.21.1 || >=2.15.0, <2.18.62.21.1, 2.18.6
Identifiers
GHSA-72hv-8253-57qq · CVE-2026-18401
Weakness (CWE)
CWE-770
Tags
Published
28 Feb 2026
Updated
10 Sept 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.9 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CNA (HeroDevs)
  • CISA KEV Not listed.
  • EPSS 0.0041, the 35th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 26 Feb 2026, 19:14 UTC Published by the maintainers as a GitHub repository advisory
  2. 31 Oct 2026, 14:17 UTC First seen by agentprime
  3. 31 Oct 2026, 14:17 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.