Amazon Linux 2023 : ecs-service-connect-agent (ALAS2023-2025-1357)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-1357 advisory. There exists a denial of service through Data corruption in gRPC-C++ - gRPC-C++ servers with transmit zero copy enabled through the channel arg GRPCARGTCPTXZEROCOPYENABLED can experience data...

CVE-2019-12995

Istio before 1.2.2 mishandles certain access tokens, leading to "Epoch 0 terminated with an error" in Envoy. This is related to a jwtauthenticator.cc segmentation fault...

Important: ecs-service-connect-agent

Issue Overview: There exists a denial of service through Data corruption in gRPC-C++ - gRPC-C++ servers with transmit zero copy enabled through the channel arg GRPCARGTCPTXZEROCOPYENABLED can experience data corruption issues. The data sent by the application may be corrupted before transmission...

SUSE CVE-2025-64763

Envoy is a high-performance edge/middle/service proxy. In 1.33.12, 1.34.10, 1.35.6, 1.36.2, and earlier, when Envoy is configured in TCP proxy mode to handle CONNECT requests, it accepts client data before issuing a 2xx response and forwards that data to the upstream TCP connection. If a forwardi...

Amazon Linux 2 : ecs-service-connect-agent, --advisory ALAS2ECS-2025-093 (ALASECS-2025-093)

The version of ecs-service-connect-agent installed on the remote host is prior to v1.34.4.2-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2ECS-2025-093 advisory. There exists a denial of service through Data corruption in gRPC-C++ - gRPC-C++ servers with...

Important: ecs-service-connect-agent

Issue Overview: There exists a denial of service through Data corruption in gRPC-C++ - gRPC-C++ servers with transmit zero copy enabled through the channel arg GRPCARGTCPTXZEROCOPYENABLED can experience data corruption issues. The data sent by the application may be corrupted before transmission...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993245)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993245 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nfsklookupslowv4 does the conntrack lookup for...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992627)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992627 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nfsklookupslowv4 does the conntrack lookup for...

CVE-2025-66220

A flaw was found in Envoy. This vulnerability allows mTLS mutual Transport Layer Security certificate validation bypass via a certificate containing an embedded null byte \0 inside an OTHERNAME SAN Subject Alternative Name value. Mitigation Mitigation for this issue is either not available or the...

CVE-2025-64763

A flaw was found in Envoy. This vulnerability allows a de-synchronized CONNECT tunnel state via accepting client data before issuing a 2xx response and forwarding it to the upstream TCP Transmission Control Protocol connection when configured in TCP Transmission Control Protocol proxy mode to...

BIT-ENVOY-2025-66220 Envoy’s TLS certificate matcher for `match_typed_subject_alt_names` may incorrectly treat certificates containing an embedded null byte

Envoy is a high-performance edge/middle/service proxy. In 1.33.12, 1.34.10, 1.35.6, 1.36.2, and earlier, Envoy’s mTLS certificate matcher for matchtypedsubjectaltnames may incorrectly treat certificates containing an embedded null byte \0 inside an OTHERNAME SAN value as valid matches...

BIT-ENVOY-2025-64763 Envoy forwards early CONNECT data in TCP proxy mode

Envoy is a high-performance edge/middle/service proxy. In 1.33.12, 1.34.10, 1.35.6, 1.36.2, and earlier, when Envoy is configured in TCP proxy mode to handle CONNECT requests, it accepts client data before issuing a 2xx response and forwards that data to the upstream TCP connection. If a forwardi...

BIT-ENVOY-2025-64527 Envoy crashes when JWT authentication is configured with the remote JWKS fetching

Envoy is a high-performance edge/middle/service proxy. In 1.33.12, 1.34.10, 1.35.6, 1.36.2, and earlier, Envoy crashes when JWT authentication is configured with the remote JWKS fetching, allowmissingorfailed is enabled, multiple JWT tokens are present in the request headers and the JWKS fetch...

GHSA-RWJG-C3H2-F57P Envoy's TLS certificate matcher for `match_typed_subject_alt_names` may incorrectly treat certificates containing an embedded null byte

Summary Envoy’s mTLS certificate matcher for matchtypedsubjectaltnames may incorrectly treat certificates containing an embedded null byte \0 inside an OTHERNAME SAN value as valid matches. Details This occurs when the SAN is encoded as a BMPSTRING or UNIVERSALSTRING, and its UTF-8 conversion...

Envoy's TLS certificate matcher for `match_typed_subject_alt_names` may incorrectly treat certificates containing an embedded null byte

Summary Envoy’s mTLS certificate matcher for matchtypedsubjectaltnames may incorrectly treat certificates containing an embedded null byte \0 inside an OTHERNAME SAN value as valid matches. Details This occurs when the SAN is encoded as a BMPSTRING or UNIVERSALSTRING, and its UTF-8 conversion...

EUVD-2025-201099

Envoy forwards early CONNECT data in TCP proxy mode...

GHSA-RJ35-4M94-77JH Envoy forwards early CONNECT data in TCP proxy mode

Summary Forwarding of early CONNECT data in TCP proxy mode. Details Per RFC 7231-4.3.6 the sender of CONNECT and all inbound proxies switch to tunnel mode only after receiving 2xx response. However in TCP proxy mode, Envoy accepts client data before it has issued a 2xx response and eagerly proxie...

EUVD-2025-201100

Envoy crashes when JWT authentication is configured with the remote JWKS fetching...

GHSA-MP85-7MRQ-R866 Envoy crashes when JWT authentication is configured with the remote JWKS fetching

Summary Envoy crashes when JWT authentication is configured with the remote JWKS fetching, allowmissingorfailed is enabled, multiple JWT tokens are present in the request headers and the JWKS fetch fails. Details This is caused by a re-entry bug in the JwksFetcherImpl. When the first token's JWKS...

Envoy crashes when JWT authentication is configured with the remote JWKS fetching

Summary Envoy crashes when JWT authentication is configured with the remote JWKS fetching, allowmissingorfailed is enabled, multiple JWT tokens are present in the request headers and the JWKS fetch fails. Details This is caused by a re-entry bug in the JwksFetcherImpl. When the first token's JWKS...