Security Bulletin: IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by an uncontrolled resource consumption due to js-yaml (CVE-2026-84375)

Summary There is a vulnerability in the js-yaml library that affects IBM WebSphere Application Server and WebSphere Application Server Liberty. Vulnerability Details CVEID:CVE-2026-84375 DESCRIPTION: js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2, 4.3.2, and 5.4.1,...

OESA-2026-4060 nodejs-js-yaml security update

This is an implementation of YAML YAML Ain't Markup Language, a human friendly data serialization language. It started as PyYAML port, and was completely rewritten from scratch. Now it's very fast, and supports the 1.2 spec. Security Fixes: js-yaml is a JavaScript YAML parser and dumper. From 3.0...

EUVD-2026-69712

js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources...

SUSE CVE-2026-84375

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2, 4.3.2, and 5.4.1, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not count empty mapping sources while processing the merge key . An attacker can alias a large sequence of empty mappings into many merge...

DoS (Denial of Service) js-yaml Dependency in Jira Service Management Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Service Management Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVS...

Allocation of Resources Without Limits or Throttling

Overview js-yaml is a human-friendly data serialization language. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the merge key handling of the loader, where the maxTotalMergeKeys budget does not count empty mappings against its limit. A...

Allocation of Resources Without Limits or Throttling

Overview org.webjars.npm:js-yaml is a human-friendly data serialization language. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the merge key handling of the loader, where the maxTotalMergeKeys budget does not count empty mappings...

Linux Distros Unpatched Vulnerability : CVE-2026-84375

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2, 4.3.2, and 5.4.1, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not...

DEBIAN-CVE-2026-84375

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2, 4.3.2, and 5.4.1, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not count empty mapping sources while processing the merge key . An attacker can alias a large sequence of empty mappings into many merge...

CVE-2026-84375

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2, 4.3.2, and 5.4.1, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not count empty mapping sources while processing the merge key . An attacker can alias a large sequence of empty mappings into many merge...

CVE-2026-84375 js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2, 4.3.2, and 5.4.1, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not count empty mapping sources while processing the merge key . An attacker can alias a large sequence of empty mappings into many merge...

CVE-2026-84375

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2 and 4.3.2, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not count empty mapping sources while processing the merge key . An attacker can alias a large sequence of empty mappings into many merge targets,...

CVE-2026-84375 js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2, 4.3.2, and 5.4.1, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not count empty mapping sources while processing the merge key . An attacker can alias a large sequence of empty mappings into many merge...

CVE-2026-84375

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2, 4.3.2, and 5.4.1, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not count empty mapping sources while processing the merge key . An attacker can alias a large sequence of empty mappings into many merge...

CVE-2026-84375 js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2, 4.3.2, and 5.4.1, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not count empty mapping sources while processing the merge key . An attacker can alias a large sequence of empty mappings into many merge...

CVE-2026-84375

js-yaml , a widely used JavaScript YAML parser, is vulnerable to a CPU exhaustion issue in its merge-key (<

CVE-2026-84375: Uncontrolled Resource Consumption

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2, 4.3.2, and 5.4.1, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not count empty mapping sources while processing the merge key . An attacker can alias a large sequence of empty mappings into many merge...

PT-2026-84523

Name of the Vulnerable Software and Affected Versions js-yaml versions 3.0.0 through 3.15.1 js-yaml versions prior to 4.3.2 Description An issue exists where maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js fails to count empty mapping sources when processing the merge key . This allo...

CVE-2026-84375: Uncontrolled Resource Consumption

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2, 4.3.2, and 5.4.1, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not count empty mapping sources while processing the merge key . An attacker can alias a large sequence of empty mappings into many merge...

Security Bulletin: IBM Maximo Application Suite - Monitor Component uses js-yaml-4.1.1.tgz which is vulnerable to multiple CVEs.

Summary IBM Maximo Application Suite - Monitor component uses js-yaml-4.1.1.tgz which is vulnerable to CVE-2026-53550, CVE-2026-59869. This bulletin contains information addressing the vulnerability. Vulnerability Details CVEID:CVE-2026-53550 DESCRIPTION: js-yaml is a JavaScript YAML parser and...