Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')

Overview Affected versions of this package are vulnerable to Selection of Less-Secure Algorithm During Negotiation 'Algorithm Downgrade' in the TLS 1.3 session resumption logic if the subsequent ClientHello negotiates TLS 1.2 back. An attacker can gain unauthorized access by impersonating a...

CVE-2026-25833

Mbed TLS 3.5.0 to 3.6.5 fixed in 3.6.6 and 4.1.0 has a buffer overflow in the x509inetptonipv6 function...

Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1515)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1515 advisory. In the Linux kernel, the following vulnerability has been resolved: audit: add fchmodat2 to change attributes class CVE-2025-71239 In the Linux kernel, the following vulnerability has been...

Amazon Linux 2023 : openssl, openssl-devel, openssl-fips-provider-latest (ALAS2023-2026-1522)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1522 advisory. Issue summary: An OpenSSL TLS 1.3 server may fail to negotiate the expected preferred key exchange group when its key exchange group configuration includes the default by using the 'DEFAULT' keyword...

CVE-2026-34874

An issue was discovered in Mbed TLS through 3.6.5 and 4.x through 4.0.0. There is a NULL pointer dereference in distinguished name parsing that allows an attacker to write to address 0...

Updated python-openssl packages fix security vulnerabilities

pyOpenSSL allows TLS connection bypass via unhandled callback exception in settlsextservernamecallback. CVE-2026-27448 pyOpenSSL DTLS cookie callback buffer overflow. CVE-2026-27459...

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: 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 ...

Improper Certificate Validation

github.com/envoyproxy/envoy is vulnerable to improper certificate validation. The vulnerability is due to incorrect handling of embedded null bytes \0 in OTHERNAME SAN values within mTLS certificate matching, which allows an attacker to bypass certificate validation and achieve unauthorized acces...

Moderate: Red Hat Security Advisory: nginx security update

An update for nginx 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 Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Security Bulletin: Vulnerability in IBM Java, Websphere, OpenSSL, libcurl, and Apache Commons may affect IBM Storage Protect Backup-Archive Client, IBM Storage Protect for Virtual Environments and IBM Storage Protect for Space Management

Summary IBM Spectrum Protect Backup-Archive Client, IBM Storage Protect for Virtual Environments and IBM Storage Protect for Space Management can be affected by logging and security vulnerabilities. This update improves reliability of Java object property handling, modern logging frameworks and...

RHEL 9 : nginx (RHSA-2026:6235)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:6235 advisory. nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security...

Mbed TLS -- vulnerabilities

https://mbed-tls.readthedocs.io/en/latest/security-advisories/ reports: Client impersonation while resuming a TLS 1.3 session CVE-2026-34873 Entropy on Linux can fall back to /dev/urandom CVE-2026-34871 PSA random generator cloning CVE-2026-25835 Compiler-induced constant-time violations...

Fedora 42 : cpp-httplib (2026-04a531cece)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-04a531cece advisory. Update to 0.37.2 - Fixes silent TLS certificate verification bypass on HTTPS Redirect via proxy CVE-2026-32627, rhbz2448105 Source:...

RHEL 9 : nginx (RHSA-2026:6234)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:6234 advisory. nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security...

15-Year-Old strongSwan Flaw Lets Attackers Crash VPNs via Integer Underflow

15-year-old strongSwan flaw allows attackers to crash VPNs via integer underflow bug, affecting EAP-TTLS plugin and multiple versions worldwide...

Cross-site Scripting (XSS)

Overview ci4-cms-erp/ci4ms is a composer create-project ci4-cms-erp/ci4ms Affected versions of this package are vulnerable to Cross-site Scripting XSS via unsanitized input in the Mail Settings configuration fields. An attacker can execute arbitrary JavaScript in the browser context of an...

Security Bulletin: IBM Content Navigator is affected by Log4J

Summary IBM Content Navigator is affected by multiple vulnerabilities in Apache Log4j 1.x, a logging library that reached end of life in August 2015. These include multiple Deserialization of Untrusted Data flaws CVE-2019-17571, CVE-2021-4104, CVE-2022-23302, CVE-2022-23307, CVE-2023-26464 in...

Amazon Linux 2023 : amazon-cloudwatch-agent (ALAS2023-2026-1473)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1473 advisory. net/http: memory exhaustion in Request.ParseForm CVE-2025-61726 archive/zip: denial of service when parsing arbitrary ZIP archives CVE-2025-61728 crypto/tls: handshake messages may be processe...

RHEL 9 : nginx (RHSA-2026:6182)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:6182 advisory. nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security...