Security Bulletin: IBM Engineering Lifecycle Optimization - Engineering Publishing affected by a Denial of Service vulnerability in Jackson Core (CVE-2026-18401)

Summary A security vulnerability CVE-2026-18401 has been identified in the Jackson Core library used by IBM Engineering Lifecycle Optimization - Engineering Publishing. The non-blocking async JSON parser fails to enforce the maxNumberLength constraint default: 1,000 characters defined in...

Security Bulletin: IBM Guardium Data Protection is affected by multiple vulnerabilities.

Summary IBM Guardium Data Protection has addressed these vulnerabilities in an update. Vulnerability Details CVEID:CVE-2026-84057 DESCRIPTION: IBM Guardium Data Protection 12.2.2, and 12.1 could allow a remote attacker to execute arbitrary commands due to improper neutralization of special elemen...

CLEANSTART-2026-HQ66440 non-blocking (asynchronous) JSON parser in jackson-core does not enforce the maxNumberLength constraint defined in StreamReadConstraints (default: 1000 characters)

Security vulnerability affects the apache-nifi package. The non-blocking asynchronous JSON parser in jackson-core does not enforce the maxNumberLength constraint defined in StreamReadConstraints default: 1000 characters...

CLEANSTART-2026-FD40389 non-blocking (asynchronous) JSON parser in jackson-core does not enforce the maxNumberLength constraint defined in StreamReadConstraints (default: 1000 characters)

Security vulnerability affects the sonarqube package. The non-blocking asynchronous JSON parser in jackson-core does not enforce the maxNumberLength constraint defined in StreamReadConstraints default: 1000 characters...

CLEANSTART-2026-BR90501 non-blocking (asynchronous) JSON parser in jackson-core does not enforce the maxNumberLength constraint defined in StreamReadConstraints (default: 1000 characters)

Security vulnerability affects the apache-nifi package. The non-blocking asynchronous JSON parser in jackson-core does not enforce the maxNumberLength constraint defined in StreamReadConstraints default: 1000 characters...

Security update for jackson-annotations, jackson-bom, jackson-core, jackson-databind, jackson-dataformat-xml, jackson-dataformats-binary, jackson-modules-base

This update for jackson-annotations, jackson-bom, jackson-core, jackson-databind, jackson-dataformat-xml, jackson-dataformats-binary, jackson-modules-base fixes the following issues: CVE-2026-18401: Number Length Constraint Bypass in Async Parser Can Lead to Potential Processing Time Issues...

SUSE-SU-2026:4394-1 Security update for jackson-annotations, jackson-bom, jackson-core, jackson-databind, jackson-dataformat-xml, jackson-dataformats-binary, jackson-modules-base

This update for jackson-annotations, jackson-bom, jackson-core, jackson-databind, jackson-dataformat-xml, jackson-dataformats-binary, jackson-modules-base fixes the following issues: - CVE-2026-18401: Number Length Constraint Bypass in Async Parser Can Lead to Potential Processing Time Issues...

CLEANSTART-2026-GT01967 non-blocking (asynchronous) JSON parser in jackson-core does not enforce the maxNumberLength constraint defined in StreamReadConstraints (default: 1000 characters)

CVE-2026-18401 affects multiple packages. The non-blocking asynchronous JSON parser in jackson-core does not enforce the maxNumberLength constraint defined in StreamReadConstraints default: 1000 characters. See references for individual vulnerability details...

PT-2026-99157

Name of the Vulnerable Software and Affected Versions jackson-core versions 2.16.0 through 2.18.0 jackson-core versions 3.0.0 through 3.0.0 Description Parsers built over character input, such as Reader, String, or char sources served by ReaderBasedJsonParser, fail to properly apply the...

PT-2026-99156

This update for jackson-annotations, jackson-bom, jackson-core, jackson-databind, jackson-dataformat-xml, jackson-dataformats-binary, jackson-modules-base fixes the following issues: - CVE-2026-18401: Number Length Constraint Bypass in Async Parser Can Lead to Potential Processing Time Issues...

PT-2026-99155

This update for jackson-annotations, jackson-bom, jackson-core, jackson-databind, jackson-dataformat-xml, jackson-dataformats-binary, jackson-modules-base fixes the following issues: - CVE-2026-18401: Number Length Constraint Bypass in Async Parser Can Lead to Potential Processing Time Issues...

Security Bulletin: Uncontrolled Resource Consumption Security Vulnerability in Jackson-core Affects IBM Sterling B2B Integrator and IBM Sterling File Gateway (CVE-2026-0003)

Summary IBM Sterling B2B Integrator and IBM Sterling File Gateway have addressed the security vulnerability Vulnerability Details ID:WS-2026-0003 DESCRIPTION: The non-blocking async JSON parser in jackson-core bypasses the maxNumberLength constraint default: 1000 characters defined in...

Security Bulletin: Vulnerability in jackson-core affects IBM Virtualization Engine TS7700

Summary IBM Virtualization Engine TS7700 is susceptible to a Denial of Service CVE-2026-18401 threat due to the use of jackson-core. jackson-core is used by TS7700 Management Interface to serialize/deserialize JSON data. Vulnerability Details ID:WS-2026-0003 DESCRIPTION: The non-blocking async JS...

Security Bulletin: Multiple vulnerabilities in jackson-databind impact IBM License Key Server Administration and Reporting Tool and IBM LKS Administration Agent

Summary Multiple vulnerabilities in jackson-databind impact IBM License Key Server Administration and Reporting Tool and IBM LKS Administration Agent. These vulnerabilities have been addressed. Please read the details for remediation below. Vulnerability Details CVEID:CVE-2026-18401 DESCRIPTION:...

Denial Of Service

Jackson Core is vulnerable to Denial Of Service. The vulnerability is due to NonBlockingUtf8JsonParserBase failing to enforce maxNumberLength when a non-blocking JSON number remains in MINORNUMBERINTEGERDIGITS across input chunks, allowing an attacker to exhaust JVM heap memory through repeated o...

Security Bulletin: IBM Guardium Data Protection is affected by a Denial-of-Service (DoS) vulnerability in jackson-core

Summary IBM Guardium Data Protection has addressed this vulnerability in an update. Vulnerability Details ID:WS-2026-0003 DESCRIPTION: The non-blocking async JSON parser in jackson-core bypasses the maxNumberLength constraint default: 1000 characters defined in StreamReadConstraints. This allows ...

Important: jackson-core

Issue Overview: The non-blocking asynchronous JSON parser in jackson-core does not enforce the maxNumberLength constraint defined in StreamReadConstraints default: 1000 characters. An attacker able to submit JSON to an application that uses the async parser API can supply a number token of...

Security Bulletin: IBM Engineering Systems Design Rhapsody was affected by Vulnerability in Jackson-core library

Summary IBM Engineering Systems Design Rhapsody was affected by Vulnerability in Jackson-core library, The non-blocking async JSON parser in jackson-core bypasses the maxNumberLength constraint default: 1000 characters defined in StreamReadConstraints. Vulnerability has been mitigated and...

GHSA-642R-3GJ9-2PJ5 Duplicate Advisory: jackson-core: Async parser maxNumberLength bypass via chunked digit accumulation (incomplete fix for GHSA-72hv-8253-57qq)

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-r7wm-3cxj-wff9. This link is maintained to preserve external references. Original Description The fix released in jackson-core 2.18.6 and 2.21.1 for CVE-2026-18401 GHSA-72hv-8253-57qq, number length constraint...

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

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-72hv-8253-57qq. This link is maintained to preserve external references. Original Description The non-blocking asynchronous JSON parser in jackson-core does not enforce the maxNumberLength constraint defined in...