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[UPDATE] [medium] FasterXML Jackson: Vulnerability allows Denial of Service

mediumCVE-2025-52999
A remote, anonymous attacker can exploit a vulnerability in FasterXML Jackson to conduct a Denial of Service attack.

CSIRTS triage

vendor: FasterXMLproduct: JacksonDenial of service
What
A vulnerability allows remote, anonymous attackers to conduct Denial of Service attacks.
Who is affected
Deployments of FasterXML Jackson.
Urgency
Remediation is medium due to the medium severity of potential Denial of Service attacks.
Action
Update to the latest version of FasterXML Jackson.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
medium
Published
2026-07-06
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-1405

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2025-52999coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for FasterXML Jackson

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories