CVE-2026-34877

An issue was discovered in Mbed TLS versions from 2.19.0 up to 3.6.5, Mbed TLS 4.0.0. Insufficient protection of serialized SSL context or session structures allows an attacker who can modify the serialized structures to induce memory corruption, leading to arbitrary code execution. This is cause...

K000160551: OpenSSL vulnerability CVE-2025-66199

Security Advisory Description Issue summary: A TLS 1.3 connection using certificate compression can be forced to allocate a large buffer before decompression without checking against the configured certificate size limit. Impact summary: An attacker can cause per-connection memory allocations of ...

Security Bulletin: Vulnerability in openssl library (CVE-2025-9230) affects Power HMC.

Summary The openssl library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVE. Vulnerability Details CVEID:CVE-2025-9230 DESCRIPTION: Issue summary: An application trying to decrypt CMS messages encrypted using password based encryption can trigger an...

[SECURITY] Fedora 44 Update: pyOpenSSL-26.0.0-1.fc44

High-level wrapper around a subset of the OpenSSL library, includes among oth ers SSL.Connection objects, wrapping the methods of Python's portable sockets Callbacks written in Python Extensive error-handling mechanism, mirroring OpenSSL's error codes...

Fedora 43 : cpp-httplib (2026-e76feaf213)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-e76feaf213 advisory. Update to 0.38.0 rhbz2447261 - Filename sanitization for path traversal prevention Added sanitizefilename to prevent path traversal attacks via malicious...

ANT-2026-RSSMAMA7 · wolfSSL · crypto-failure

crypto-failure high CVE-2026-5479 Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview SECURITY RESEARCH FIRM ANALYSIS Triage and disclosure were performed by Calif. Verdict: true positive Severity: high TIMELINE Dates from discovery through public...

ANT-2026-ZZY4987K · wolfSSL · integer-overflow

integer-overflow high CVE-2026-5477 Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview SECURITY RESEARCH FIRM ANALYSIS Triage and disclosure were performed by Calif. Verdict: true positive Severity: high TIMELINE Dates from discovery through publ...

curl: HackerOne Vulnerability Report: libcurl SSL/TLS Identity Leakage via Insecure Connection Reuse

Summary libcurl contains a critical logic flaw in its connection reuse mechanism where transfers using the CURLOPTSSLCTXFUNCTION SSL context callback to establish a specific identity e.g., via client certificates can have their connections incorrectly reused by subsequent, unauthenticated transfe...

CVE-2019-25652

UniFi Network Controller before version 5.10.22 and 5.11.x before 5.11.18 contains an improper certificate verification vulnerability that allows adjacent network attackers to conduct man-in-the-middle attacks by presenting a false SSL certificate during SMTP connections. Attackers can intercept...

CVE-2019-25652 UniFi Network Controller Improper Certificate Validation Leading to Credential Theft via MITM

UniFi Network Controller before version 5.10.22 and 5.11.x before 5.11.18 contains an improper certificate verification vulnerability that allows adjacent network attackers to conduct man-in-the-middle attacks by presenting a false SSL certificate during SMTP connections. Attackers can intercept...

CVE-2025-15612 Wazuh Provisioning Scripts / Build Infrastructure Improper Certificate Validation leading to MITM and RCE

Wazuh provisioning scripts and Dockerfiles contain an insecure transport vulnerability where curl is invoked with the -k/--insecure flag, disabling SSL/TLS certificate validation. Attackers with network access can perform man-in-the-middle attacks to intercept and modify downloaded dependencies o...

CVE-2025-15612 Wazuh Provisioning Scripts / Build Infrastructure Improper Certificate Validation leading to MITM and RCE

Wazuh provisioning scripts and Dockerfiles contain an insecure transport vulnerability where curl is invoked with the -k/--insecure flag, disabling SSL/TLS certificate validation. Attackers with network access can perform man-in-the-middle attacks to intercept and modify downloaded dependencies o...

CVE-2026-32983 SSL/TLS Renegotiation DoS in Wazuh Manager authd service

Wazuh Manager authd service in wazuh-manager packages through version 4.7.3 contains an improper restriction of client-initiated SSL/TLS renegotiation vulnerability that allows remote attackers to cause a denial of service by sending excessive renegotiation requests. Attackers can exploit the lac...

CVE-2026-32983

The CVE-2026-32983 entry concerns Wazuh Manager’s authd service in wazuh-manager packages up to version 4.7.3. The vulnerability arises from an improper restriction on client-initiated SSL/TLS renegotiation, allowing remote attackers to induce a denial of service by sending excessive renegotiatio...

NGINX ngx_stream_ssl_module vulnerability

...

BIT-NGINX-GATEWAY-2026-28755 NGINX ngx_stream_ssl_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxstreamsslmodule module due to the improper handling of revoked certificates when configured with the sslverifyclient on and sslocsp on directives, allowing the TLS handshake to succeed even after an OCSP check identifies the...

PT-2026-28278

Wazuh Manager authd service in wazuh-manager packages through version 4.7.3 contains an improper restriction of client-initiated SSL/TLS renegotiation vulnerability that allows remote attackers to cause a denial of service by sending excessive renegotiation requests. Attackers can exploit the lac...

Important: Red Hat Security Advisory: Satellite 6.16.7 Async Update

An update is now available for Red Hat Satellite 6.16 for RHEL 8 and RHEL 9. 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...

foreman-kubevirt: foreman_kubevirt: Man-in-the-Middle due to insecure default SSL verification

A flaw was found in foremankubevirt. When configuring the connection to OpenShift, the system disables SSL verification if a Certificate Authority CA certificate is not explicitly set. This insecure default allows a remote attacker, capable of intercepting network traffic between Satellite and...

Important: Red Hat Security Advisory: Satellite 6.18.4 Async Update

A new release is now available for Red Hat Satellite 6.18 for RHEL 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...