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com.fasterxml.jackson.core/jackson-core: tools.jackson.core/jackson-core: jackson-core: Denial of Service via incomplete fix in async JSON parser

🗓️ 06 Oct 2026 11:40:46Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Remote DoS in jackson-core via non-blocking JSON parser memory exhaustion.

Related
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Refs
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IBM Security Bulletins		Security Bulletin: IBM Terracotta is affected by jackson-core vulnerabilities that could allow attackers to trigger a denial of service via memory or CPU exhaustion by supplying arbitrarily long numbers
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IBM Security Bulletins		Security Bulletin: IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities
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IBM Security Bulletins		Security Bulletin:Inconsistent Enforcement of MaxNumberLength in Jackson-Core Async JSON Parser, Leading to DoS
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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8noarchrh-sso7-keycloak18.0.20-1.redhat_00001.1.el8ssorh-sso7-keycloak-18.0.20-1.redhat_00001.1.el8sso.noarch.rpm
Red Hat Enterprise Linux8noarchrh-sso7-keycloak-server18.0.20-1.redhat_00001.1.el8ssorh-sso7-keycloak-server-18.0.20-1.redhat_00001.1.el8sso.noarch.rpm

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07 Oct 2026 17:15Current
7.1High risk
Vulners AI Score7.1
CVSS 48.7
EPSS0.00463
SSVC
CWE-770
jackson-coreDoSnon-blocking JSON parsermemory exhaustionJVM heap
3