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CVE-2026-93494

Io.netty/netty-codec-stomp: netty: bytebuf leak in stompsubframedecoder when a frame body is never terminated

A flaw was found in Netty's StompSubframeDecoder component. A remote attacker can exploit this vulnerability by sending a specially crafted STOMP frame body without its terminating null byte. This causes the decoder to allocate a ByteBuf (a buffer for bytes) that is never released, leading to a permanent memory leak. Over time, this uncontrolled memory consumption can result in a Denial of Service (DoS) for the application using the affected STOMP codec.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Io.netty Redhat
Products
Netty-codec-http Build Of Apache Camel For Spring Boot Camel Spring Boot and 5 more
CVE-2026-93561

Io.netty/netty-codec-memcache: netty: memcache binary codec signed/unsigned type mismatch causes frame desynchronization and response smuggling

A flaw was found in io.netty/netty-codec-memcache. The Memcache binary protocol codec incorrectly reads `keyLength` and `extrasLength` as signed Java types instead of unsigned, as specified by the protocol. A malicious Memcache server can exploit this type mismatch by sending a specially crafted response. This can lead to frame desynchronization and response smuggling, where one client's data may be inadvertently exposed to another client's response stream in proxy or cache environments.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Io.netty Redhat
Products
Netty-codec-http Build Of Apache Camel For Spring Boot Camel Spring Boot and 5 more
CVE-2026-93572

Io.netty/netty-codec-redis: netty: redisarrayaggregator nested resp headers multiply patched preallocation limits

A flaw was found in Netty's `RedisArrayAggregator` component. A remote attacker can exploit this vulnerability by sending specially crafted nested Redis (RESP) array headers. This can cause the `RedisArrayAggregator` to eagerly preallocate a large amount of heap memory, leading to heap memory exhaustion and a Denial of Service (DoS) for applications using `RedisDecoder` with `RedisArrayAggregator` on untrusted traffic.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Io.netty Redhat
Products
Netty-codec-http Build Of Apache Camel For Spring Boot Camel Spring Boot and 5 more
CVE-2026-93578

Io.netty/netty-handler-ssl-ocsp: netty: missing extended key usage (eku) check in ocsp client allows certificate revocation bypass

A flaw was found in Netty's Online Certificate Status Protocol (OCSP) Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage (EKU) in OCSP responder certificates. A remote attacker, holding any valid certificate issued by the same Certificate Authority (CA), can exploit this by forging 'GOOD' OCSP responses for revoked certificates. This bypasses certificate revocation checks, allowing applications using Netty's OCSP Client to accept certificates that should have been revoked, leading to an authorization bypass.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Io.netty Redhat
Products
Netty-codec-http Build Of Apache Camel For Spring Boot Camel Spring Boot
CVE-2026-93563

Io.netty/netty-codec-smtp: netty: unbounded multi-line response accumulation in smtpresponsedecoder leads to memory-exhaustion dos

A flaw was found in Netty's `SmtpResponseDecoder` component. A remote attacker, acting as a malicious or man-in-the-middle (MITM) SMTP server, could exploit this by sending a specially crafted, unbounded multi-line SMTP response without a terminator. This vulnerability leads to unbounded memory accumulation within the client's Java Virtual Machine (JVM) heap, causing an `OutOfMemoryError` and a denial of service (DoS) due to a process crash.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Io.netty Redhat
Products
Netty-codec-http Build Of Apache Camel For Spring Boot Camel Spring Boot and 5 more
CVE-2026-93493

Io.netty/netty-handler-ssl-ocsp: netty: ocsp validation silently skipped when a response omits the optional nextupdate field

A flaw was found in Netty's `netty-handler-ssl-ocsp` component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol (OCSP) response that omits the optional `nextUpdate` field. This omission causes the OCSP validation to be silently skipped, leading to applications proceeding with an unvalidated certificate. This can result in a bypass of security controls where certificate validation is expected.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Build Of Apache Camel For Spring Boot Camel Spring Boot
CVE-2026-93576

Io.netty/netty-codec-smtp: netty netty-codec-smtp — smtp command-name field is not crlf-validated (incomplete fix of cve-2025-59419)

A flaw was found in Netty netty-codec-smtp. The component does not properly validate Carriage Return (CR) and Line Feed (LF) characters in the SMTP command-name field. A remote attacker, if an application routes untrusted input into this field, can embed CR/LF characters to inject arbitrary SMTP commands. This can lead to SMTP command smuggling, allowing for unauthorized email relay or spoofing of sender/recipient addresses. While the impact is significant, the real-world exploitability is considered lower as applications typically do not place user-controlled data in the command-name field.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Io.netty Redhat
Products
Netty-codec-http Build Of Apache Camel For Spring Boot Camel Spring Boot and 4 more
CVE-2022-31684

reactor-netty-http: Log request headers in some cases of invalid HTTP requests

Reactor Netty HTTP Server, in versions 1.0.11 - 1.0.23, may log request headers in some cases of invalid HTTP requests. The logged headers may reveal valid access tokens to those with access to server logs. This may affect only invalid HTTP requests where logging at WARN level is enabled.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Broadcom Redhat
Products
Reactor Netty Camel Spring Boot Openshift Application Runtimes
CVE-2026-84218

Org.jolokia/jolokia-core: incomplete jndi denylist in jolokia jsr-160 proxy (bypass of cve-2018-1000130 fix)

A flaw was found in Jolokia's JSR-160 proxy functionality where insufficient validation of client-controlled JMX service URLs allows a bypass of the denylist introduced to mitigate CVE-2018-1000130. The proxy accepts a `target.url` value from a Jolokia POST request and passes it to `JMXServiceURL` and `JMXConnectorFactory` for establishing the remote JMX connection. The existing denylist only rejects URLs matching `service:jmx:rmi:///jndi/ldap:.*`, which can be bypassed using alternative valid JMX service URL forms, including `ldaps://` schemes or LDAP URLs with a non-empty JMX host component. These URLs are accepted as valid `JMXServiceURL` objects and can cause the Jolokia agent JVM to perform a JNDI lookup against an attacker-controlled LDAP endpoint. This can result in server-side request forgery (SSRF), forwarding of supplied JMX credentials to the remote endpoint, and potentially remote code execution depending on the classes and configuration available in the target JVM.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Amq Broker Build Of Apache Camel For Quarkus Build Of Apache Camel For Spring Boot and 5 more
CVE-2023-44487

HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

CVSS 3.1 · 7.5 High EPSS 100.0% KEV · Listed
Vendors
Akka Amazon Apache and 30 more
Products
Http Server Opensearch Data Prepper Apisix and 375 more
CVE-2022-41881

codec-haproxy: HAProxyMessageDecoder Stack Exhaustion DoS

Netty project is an event-driven asynchronous network application framework. In versions prior to 4.1.86.Final, a StackOverflowError can be raised when parsing a malformed crafted message due to an infinite recursion. This issue is patched in version 4.1.86.Final. There is no workaround, except using a custom HaProxyMessageDecoder.

CVSS 3.1 · 5.3 Medium EPSS 1.6% KEV · Not listed
Vendors
Debian Netty Redhat
Products
Debian Linux Netty Camel Quarkus and 11 more
CVE-2022-41704

Apache Batik prior to 1.16 allows RCE when loading untrusted SVG input

A vulnerability in Batik of Apache XML Graphics allows an attacker to run untrusted Java code from an SVG. This issue affects Apache XML Graphics prior to 1.16. It is recommended to update to version 1.16.

CVSS 3.1 · 7.5 High EPSS 3.1% KEV · Not listed
Vendors
Apache Debian Redhat
Products
Batik Debian Linux Camel Spring Boot and 1 more
CVE-2021-22573

Incorrect signature verification on Google-oauth-java-client

The vulnerability is that IDToken verifier does not verify if token is properly signed. Signature verification makes sure that the token's payload comes from valid provider, not from someone else. An attacker can provide a compromised token with custom payload. The token will pass the validation on the client side. We recommend upgrading to version 1.33.3 or above

CVSS 3.1 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Google Redhat
Products
Oauth Client Library For Java Camel Spring Boot Jboss Fuse
CVE-2022-45047

Apache MINA SSHD: Java unsafe deserialization vulnerability

Class org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider in Apache MINA SSHD <= 2.9.1 uses Java deserialization to load a serialized java.security.PrivateKey. The class is one of several implementations that an implementor using Apache MINA SSHD can choose for loading the host keys of an SSH server.

CVSS 3.1 · 9.8 Critical EPSS 4.7% KEV · Not listed
Vendors
Apache Redhat
Products
Sshd Camel Spring Boot Jboss Data Grid and 10 more
CVE-2023-4639

Undertow: cookie smuggling/spoofing

A flaw was found in Undertow, which incorrectly parses cookies with certain value-delimiting characters in incoming requests. This issue could allow an attacker to construct a cookie value to exfiltrate HttpOnly cookie values or spoof arbitrary additional cookie values, leading to unauthorized data access or modification. The main threat from this flaw impacts data confidentiality and integrity.

CVSS 3.1 · 7.4 High EPSS 1.1% KEV · Not listed
Vendors
Redhat
Products
Camel Quarkus Camel Spring Boot Integration and 11 more
CVE-2024-6162

Undertow: url-encoded request path information can be broken on ajp-listener

A vulnerability was found in Undertow, where URL-encoded request paths can be mishandled during concurrent requests on the AJP listener. This issue arises because the same buffer is used to decode the paths for multiple requests simultaneously, leading to incorrect path information being processed. As a result, the server may attempt to access the wrong path, causing errors such as "404 Not Found" or other application failures. This flaw can potentially lead to a denial of service, as legitimate resources become inaccessible due to the path mix-up.

CVSS 3.1 · 7.5 High EPSS 1.7% KEV · Not listed
Vendors
Redhat
Products
Apache Camel Hawtio Apache Camel Spring Boot Build Keycloak and 8 more
CVE-2022-40146

Jar url should be blocked by DefaultScriptSecurity

Server-Side Request Forgery (SSRF) vulnerability in Batik of Apache XML Graphics allows an attacker to access files using a Jar url. This issue affects Apache XML Graphics Batik 1.14.

CVSS 3.1 · 7.5 High EPSS 7.4% KEV · Not listed
Vendors
Apache Debian Redhat
Products
Batik Debian Linux Camel Spring Boot and 1 more
CVE-2022-38648

PDFTranscoder does not block external resources

Server-Side Request Forgery (SSRF) vulnerability in Batik of Apache XML Graphics allows an attacker to fetch external resources. This issue affects Apache XML Graphics Batik 1.14.

CVSS 3.1 · 5.3 Medium EPSS 2.4% KEV · Not listed
Vendors
Apache Debian Redhat
Products
Batik Debian Linux Camel Spring Boot and 1 more
CVE-2022-38398

Server-Side Request Forgery Information Disclosure Vulnerability

Server-Side Request Forgery (SSRF) vulnerability in Batik of Apache XML Graphics allows an attacker to load a url thru the jar protocol. This issue affects Apache XML Graphics Batik 1.14.

CVSS 3.1 · 5.3 Medium EPSS 2.6% KEV · Not listed
Vendors
Apache Debian Redhat
Products
Batik Debian Linux Camel Spring Boot and 1 more
CVE-2023-5072

DoS Vulnerability in JSON-Java

Denial of Service in JSON-Java versions up to and including 20230618.  A bug in the parser means that an input string of modest size can lead to indefinite amounts of memory being used.

CVSS 3.1 · 7.5 High EPSS 1.7% KEV · Not listed
Vendors
Redhat Stleary
Products
Amq Broker Amq Streams Camel K and 5 more