Apache Mina vulnerabilities

8 CVEs affecting Apache Mina, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-47065, published 2026-06-03.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2024-52046, published 2024-12-25. Critical severity, CVSS 9.8. EPSS: 24.4% chance of exploitation in the next 30 days. The ObjectSerializationDecoder in Apache MINA uses Java’s native deserialization protocol to process incoming serialized data but lacks the necessary security checks and defenses. This vulnerability…
CVE-2021-41973, published 2021-11-01. Medium severity, CVSS 6.5. EPSS: 4.6% chance of exploitation in the next 30 days. In Apache MINA, a specifically crafted, malformed HTTP request may cause the HTTP Header decoder to loop indefinitely. The decoder assumed that the HTTP Header begins at the beginning of the buffer…
CVE-2019-0231, published 2019-10-01. High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days. Handling of the close_notify SSL/TLS message does not lead to a connection closure, leading the server to retain the socket opened and to have the client potentially receive clear text messages…
CVE-2026-41635, published 2026-04-27. Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days. Apache MINA's AbstractIoBuffer.resolveClass() contains two branches, one of them (for static classes or primitive types) does not check the class at all, bypassing the classname allowlist and…
CVE-2026-42779, published 2026-05-01. Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days. The fix for CVE-2026-41635 was not applied to the 2.1.X and 2.2.X branches. Here was the original issue description: Apache MINA's AbstractIoBuffer.resolveClass() contains two branches,…
CVE-2026-42778, published 2026-05-01. Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days. The fix for CVE-2026-41409 was not applied to the 2.1.X and 2.2.X branches. Here was the original issue description: The fix for CVE-2024-52046 in Apache MINA AbstractIoBuffer.getObject() was…
CVE-2026-41409, published 2026-04-27. Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days. The fix for CVE-2024-52046 in Apache MINA AbstractIoBuffer.getObject() was incomplete. The classname allowlist of classes allowed to be deserialized was applied too late after a static initializer in…
CVE-2026-47065, published 2026-06-03. Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days. ZDRES-232: resolveProxyClass Not Overridden - acceptMatchers Filter Bypass via java.lang.reflect.Proxy Assessment: Fully addressed. When the serialised stream contains a TC_PROXYCLASSDESC (the…