Bug 2406098 (CVE-2025-12044)

Summary: CVE-2025-12044 github.com/hashicorp/vault: Vault Vulnerable to Denial of Service Due to Rate Limit Regression
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: caswilli, eglynn, jjoyce, jschluet, kaycoth, lball, lhh, lsvaty, manissin, mburns, mgarciac, ngough, pgrist, veshanka
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A denial of service flaw has been discovered in Hashicorp's vault product. Vault is vulnerable to an unauthenticated denial of service when processing JSON payloads. This occurs due to a regression from a previous fix for HCSEC-2025-24 which allowed for processing JSON payloads before applying rate limits.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2415671, 2415672, 2415673, 2415675, 2415677, 2415679, 2415680, 2415681, 2415682    
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Description OSIDB Bzimport 2025-10-23 20:01:45 UTC
Vault and Vault Enterprise (“Vault”) are vulnerable to an unauthenticated denial of service when processing JSON payloads. This occurs due to a regression from a previous fix for [+HCSEC-2025-24+|https://discuss.hashicorp.com/t/hcsec-2025-24-vault-denial-of-service-though-complex-json-payloads/76393]  which allowed for processing JSON payloads before applying rate limits. This vulnerability, CVE-2025-12044, is fixed in Vault Community Edition 1.21.0 and Vault Enterprise 1.16.27, 1.19.11, 1.20.5, and 1.21.0.