Improperly Controlled Modification of Dynamically-Determined Object Attributes The advisory has been revoked - it doesn't affect any version of package mozjs60 (opens in a new tab)
Threat Intelligence
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The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS8-MOZJS60-15834498
- published30 Mar 2026
- disclosed6 Mar 2026
Introduced: 6 Mar 2026
CVE-2026-29063 (opens in a new tab)Amendment
The Centos security team deemed this advisory irrelevant for Centos:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mozjs60 package and not the mozjs60 package as distributed by Centos.
Immutable.js provides many Persistent Immutable data structures. Prior to versions 3.8.3, 4.3.7, and 5.1.5, Prototype Pollution is possible in immutable via the mergeDeep(), mergeDeepWith(), merge(), Map.toJS(), and Map.toObject() APIs. This issue has been patched in versions 3.8.3, 4.3.7, and 5.1.5.
References
- https://access.redhat.com/security/cve/CVE-2026-29063
- https://github.com/immutable-js/immutable-js/releases/tag/v3.8.3
- https://github.com/immutable-js/immutable-js/releases/tag/v4.3.8
- https://github.com/immutable-js/immutable-js/releases/tag/v5.1.5
- https://github.com/immutable-js/immutable-js/security/advisories/GHSA-wf6x-7x77-mvgw