PT-2026-71343

Name of the Vulnerable Software and Affected Versions Russh versions prior to 0.62.4 Description An unauthenticated SSH client can trigger a denial of service by sending an SSH MSG KEX ECDH INIT message containing a 32-byte all-zero Q C value. The Curve25519Kex::server dh function in...

Key Exchange without Entity Authentication

Overview Affected versions of this package are vulnerable to Key Exchange without Entity Authentication due to disabled SSH host key verification in the EMR SSH helper commands. An attacker can intercept SSH sessions and file transfers by performing a man-in-the-middle attack between the client a...

CVE-2026-18654

Key exchange without entity authentication in the EMR SSH helper commands in Amazon AWS CLI before 1.45.28 and AWS CLI v2 before 2.35.3 might allow man-in-the-middle attackers to intercept SSHsessions and file transfers via network positioning between the client and the EMR cluster endpoint. To...

CVE-2026-59650

Bouncy Castle for Java up to 1.84 (and Java LTS up to 2.73.11) is affected by CVE-2026-59650: MTI/A0 DH key exchange exponentiates an unvalidated peer value. This can impact confidentiality and integrity as described in the CVE, with overall severity listed as CRITICAL (CVSS 9.3). The issue is fi...

Remote Denial Of Service (Dos)

github.com/pion/dtls is vulnerable to Remote Denial of Service Dos. The vulnerability is due to improper parsing of a crafted ECDHEPSK ServerKeyExchange message, which allows a remote attacker to trigger a panic...

EUVD-2026-41133

Pion DTLS vulnerable to denial of service via panic while parsing a crafted ECDHEPSK ServerKeyExchange message...

GHSA-WG4G-WM44-CH5J Pion DTLS vulnerable to denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message

Impact Remote denial of service via panic while parsing a crafted ECDHEPSK ServerKeyExchange message. Patches Upgrade to v3.1.4 or later. This version includes this patch https://github.com/pion/dtls/pull/839 which fixes the issue. Workarounds No work around; please upgrade to v3.1.4 or a newer...

Pion DTLS vulnerable to denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message

Impact Remote denial of service via panic while parsing a crafted ECDHEPSK ServerKeyExchange message. Patches Upgrade to v3.1.4 or later. This version includes this patch https://github.com/pion/dtls/pull/839 which fixes the issue. Workarounds No work around; please upgrade to v3.1.4 or a newer...

openssh security update

8.0p1-30.0.1 - Update upstream references Orabug: 36587718 8.0p1-30 - CVE-2026-55653: Fix double free in openssh DH-GEX client path during FIPS known-group validation that leads to client-side denial of service Resolves: RHEL-185775 - CVE-2026-55655: Fix MITM of X11 forwarding via abstract UNIX...

Cisco IOS Software IKEv2 Multiple Vulnerabilities (cisco-sa-asa-ftd-ios-dos-DOESHWHy)

According to its self-reported version, Cisco IOS is affected by multiple vulnerabilities. - A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to...

Cisco Firepower Threat Defense (FTD) Software IKEv2 Multiple Vulnerabilities (cisco-sa-asa-ftd-ios-dos-DOESHWHy)

According to its self-reported version, Cisco Secure Firewall Threat Defense FTD Software is affected by multiple vulnerabilities. - A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated,...

Cisco Adaptive Security Appliance (ASA) Software IKEv2 Multiple Vulnerabilities (cisco-sa-asa-ftd-ios-dos-DOESHWHy)

According to its self-reported version, Cisco ASA Software is affected by multiple vulnerabilities. - A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated, remote attacker to cause the...

rest security update

An update is available for rest. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The rest packages provide a library for access to the RESTful web services...

Important: openssh security update

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server. Security Fixes: openssh: Local MITM of X11 forwarding via abstract UNIX socket pre-binding in AlmaLinux OpenS...

libreswan security update

An update is available for libreswan. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the...

SUSE-SU-2026:3367-1 Security update for samba

This update for samba fixes the following issues - CVE-2026-6949: TSIG packet with crafted name compression can crash internal DNS server bsc1271672. - CVE-2026-15779: pamwinbind module with mkhomedir set allows chown of critical system paths without validation bsc1271469. - CVE-2026-58216: 6-byt...

librenswan: IKEv1 Denial of Service via RSA-SHA1 (PKCS#1 Version 1.5 Encrypted) authentication payload

A flaw was found in Libreswan's implementation of IKEv1 authentication via raw RSA signatures. When processing an IKEv1 packet using PKCS 1 v1.5 RSA encryption, the RSAauthenticatehashsignaturerawrsa function fails to properly validate the length of the authentication hash. A remote,...

AZL-94196 CVE-2026-55953 affecting package erlang for versions less than 26.2.5.21-4

The Erlang/OTP ssl TLS 1.2 and earlier and DTLS client does not verify that the cipher suite selected by the server in ServerHello was among the suites offered by the client in ClientHello. The client-side tlshandshake:hello/5 handler validates the negotiated protocol version and the downgrade...

CVE-2026-55953

The Erlang/OTP ssl TLS 1.2 and earlier and DTLS client does not verify that the cipher suite selected by the server in ServerHello was among the suites offered by the client in ClientHello. The client-side tlshandshake:hello/5 handler validates the negotiated protocol version and the downgrade...

librenswan: IKEv2 Denial of Service via malformed fragmentation

A flaw was found in Libreswan's IKEv2 fragment reassembly mechanism. When a VPN gateway processes incoming split network packets fragments containing unexpected data, an off-by-one boundary validation error triggers an internal program safety check assertion failure. A remote, unauthenticated...