crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building

A flaw was found in the Go standard library packages crypto/x509 and crypto/tls. During the process of building a certificate chain, an attacker can provide a large number of intermediate certificates. This excessive input is not properly limited, leading to an uncontrolled amount of work being...

Important: Red Hat Security Advisory: osbuild-composer security update

An update for osbuild-composer is now available for Red Hat Enterprise Linux 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 vulnerabili...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

CVE-2026-13117

A flaw was found in OpenVPN. An incomplete guard allows remote authenticated peers to trigger a use-after-free vulnerability during TLS Transport Layer Security session promotion. This can lead to a denial of service, making the service unavailable, or memory leakage, which could potentially expo...

CVE-2026-5846

The CVE-2026-5846 entry concerns Watchfire Controller Software, where self-signed hard-coded RSA private keys and X.509 certificates are embedded in plaintext in the firmware patch binaries from Watchfire’s Remote Support filestore. This exposes TLS/HTTPS authentication and encryption for the con...

openjdk: OpenJDK: Improve DTLS handshaking (Oracle CPU 2026-07)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: JSSE. Supported versions that are affected are Oracle Java SE: 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM...

EUVD-2026-51239

A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry...

CVE-2026-13117

CVE-2026-13117 affects OpenVPN 2.6.0–2.6.20 and 2.7_alpha1–2.7.4 due to an incomplete guard that allows a remote authenticated peer to trigger a use-after-free during TLS session promotion, potentially causing a denial of service or memory leakage. The issue is a memory safety fault in the TLS ha...

CVE-2026-13117

An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote authenticated peers to trigger a use-after-free during TLS session promotion, potentially leading to a denial of service or memory leakage...

SUSE-SU-2026:3427-1 Security update for valkey

This update for valkey fixes the following issues: - CVE-2026-56684: use-after-free in TLS connection handling that could allow an authenticated client to achieve remote code execution using CLIENT KILL bsc1272443. - CVE-2026-63639: corrupt stream RDB files containing a shared NACK across consume...

ALPINE-CVE-2026-58040

An incomplete fix has been identified in Node.js: HTTPS Agent TLS session reuse skips hostname verification across identity policies incomplete fix of CVE-2026-48934. This vulnerability affects Node.js 22.x, 24.x, and 26.x...

MiracleLinux 8 : java-1.8.0-openjdk-1.8.0.502.b07-1.1.el8 (AXSA:2026-1388:12)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1388:12 advisory. JDK: Enhance TLS certificate handling CVE-2026-46968 JDK: Enhance JPEG handling CVE-2026-47010 JDK: Enhance XBM image support CVE-2026-47021 JDK:...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

Important: Red Hat Security Advisory: osbuild-composer security update

An update for osbuild-composer is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. 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 ratin...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

Important: Red Hat Security Advisory: grafana-pcp security, bug fix, and enhancement update

An update for grafana-pcp is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. 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...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...