CVE-2026-12852
CVE-2026-12852: 1 tracked advisory record across Red Hat. Compare vendor sources.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.5
High [CVE-2026-12852] Bouncy Castle for Java: Denial of Service via MLS wire decoder
CVE-2026-12852Source published Source updated
In Bouncy Castle for Java before 1.85, MLS wire decoder allocates attacker-declared opaque length before bounds check. A remote attacker could exploit this by providing a specially crafted message to the MLS wire decoder. This can lead to excessive memory allocation, resulting in a Denial of Service (DoS) for the application. This vulnerability targets the Messaging Layer Security (MLS) module, which in Bouncy Castle is packaged as bcmls. No Red Hat products are affected. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-1284. Red Hat lists Cryostat 4; OpenShift Developer Tools and Services; Red Hat AMQ Broker 7; Red Hat AMQ Clients; Red Hat Ansible Automation Platform 2; Red Hat build of Apache Camel 4 for Quarkus 3; Red Hat build of…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- < 1.85
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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