CVE-2025-5270

In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled. This vulnerability was fixed in Firefox 139 and Thunderbird 139...

CVE-2025-5270

CVE-2025-5270 concerns Mozilla Firefox and Thunderbird where SNI could be sent unencrypted even when encrypted DNS is enabled. Affected products are Firefox versions earlier than 139 and Thunderbird versions earlier than 139. The vulnerability’s impact includes potential disclosure of sensitive i...

CVE-2025-5270 SNI was sometimes unencrypted

In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled. This vulnerability was fixed in Firefox 139 and Thunderbird 139...

CVE-2025-5270 SNI was sometimes unencrypted

In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled. This vulnerability was fixed in Firefox 139 and Thunderbird 139...

Mozilla Firefox < 139.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 139.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-42 advisory. - Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. Some...

Firefox -- unencrypted SNI

[email protected] reports: In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled...

Mozilla Thunderbird < 139.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 139.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-45 advisory. - Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10...

PT-2025-22995

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 139 Description The issue arises when SNI Server Name Indication could be sent unencrypted despite having encrypted DNS enabled. This affects Firefox, potentially exposing user data. Recommendations For versions prior...

CVE-2020-1887

Incorrect validation of the TLS SNI hostname in osquery versions after 2.9.0 and before 4.2.0 could allow an attacker to MITM osquery traffic in the absence of a configured root chain of trust...

Understanding Zero Touch Certificate Management (ZTCM) in Citrix NetScaler

Summary: This article addresses frequently asked questions regarding the behavior of Zero Touch Certificate Management ZTCM in Citrix NetScaler, including how it handles certificate synchronization, SNI-based certificate selection, and coexistence with legacy configurations...

Linux Distros Unpatched Vulnerability : CVE-2024-1300

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability in the Eclipse Vert.x toolkit causes a memory leak in TCP servers configured with TLS and SNI support. When processing an unknown SNI server nam...

Security Bulletin: IBM Event Streams is vulnerable to a denial of service attack due to the Eclipse Vert.x component (CVE-2024-1023,CVE-2024-1300).

Summary IBM Event Streams is vulnerable to a denial of service attack due to the Vert.x component.It is a toolkit for writing reactive, non-blocking, asynchronous applications that run on the JVM Java Virtual Machine and it provides a non-prescriptive and flexible way to write efficient,...

io.vertx:vertx-core: memory leak when a TCP server is configured with TLS and SNI support

A vulnerability in the Eclipse Vert.x toolkit causes a memory leak in TCP servers configured with TLS and SNI support. When processing an unknown SNI server name assigned the default certificate instead of a mapped certificate, the SSL context is erroneously cached in the server name map, leading...

Security Bulletin: IBM Event Streams is vulnerable to a denial of service attack due to the Eclipse Vert.x component (CVE-2024-1300).

Summary IBM Event Streams is vulnerable to a denial of service attack due to the Eclipse Vert.x component. Vert. x is a toolkit to build reactive microservices.It is used to create a highly scalable and performant event-driven architecture for managing Kafka clusters. Vulnerability Details...

Amazon Linux 2023 : ecs-service-connect-agent (ALAS2023-2024-647)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2024-647 advisory. 2024-07-17: CVE-2024-30255 was added to this advisory. Envoy is a cloud-native, open source edge and service proxy. A theoretical request smuggling vulnerability exists through Envoy if a serve...

Amazon Linux 2 : ecs-service-connect-agent (ALASECS-2024-037)

The version of ecs-service-connect-agent installed on the remote host is prior to v1.29.5.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2ECS-2024-037 advisory. Envoy is a cloud-native, open source edge and service proxy. A theoretical request smuggling...

httpd:2.4 security update

httpd 2.4.37-64.0.1 - Replace index.html with Oracle's index page oracleindex.html 2.4.37-64 - Resolves: RHEL-14448 - httpd: modmacro: out-of-bounds read vulnerability CVE-2023-31122 2.4.37-63 - modxml2enc: fix media type handling Resolves: RHEL-14321 modhttp2 1.15.7-10 - Resolves: RHEL-29817 -...

Security Bulletin:IBM Asset Data Dictionary Component uses vertx-core-4.5.0.jar which is vulnerable to CVE-2024-1023 and CVE-2024-1300.

Summary IBM Asset Data Dictionary Component uses vertx-core-4.5.0.jar which is vulnerable to CVE-2024-1023 and CVE-2024-1300. This bulletin contains information regarding the vulnerability and its fixture. Vulnerability Details CVEID:CVE-2024-1023 DESCRIPTION: Eclipse Vert.x is vulnerable to a...

Important: Red Hat Security Advisory: Red Hat build of Cryostat security update

An update is now available for the Red Hat build of Cryostat 2 on RHEL 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fro...

BIT-ENVOY-2024-32475 Envoy RELEASE_ASSERT using auto_sni with :authority header > 255 bytes

Envoy is a cloud-native, open source edge and service proxy. When an upstream TLS cluster is used with autosni enabled, a request containing a host/:authority header longer than 255 characters triggers an abnormal termination of Envoy process. Envoy does not gracefully handle an error when settin...