Linux Distros Unpatched Vulnerability : CVE-2026-6679

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A heap buffer overflow could occur in the DTLS 1.3 ACK serialization path before the connecting peer is authenticated. The buffer overflow was due to an integer...

RHEL 10 : ruby (RHSA-2026:33565)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:33565 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system...

RHEL 8 : ruby:2.5 (RHSA-2026:33514)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:33514 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system...

Important: ruby:3.3 security update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42245 ruby/net-imap: ruby: Net::IMAP: IMAP Comman...

CVE-2026-13588 seladb PcapPlusPlus TLS Hello SSLHandshake.cpp getHandshakeVersion heap-based overflow

A vulnerability was determined in seladb PcapPlusPlus 25.05. The impacted element is the function pcpp::SSLClientHelloMessage::getHandshakeVersion of the file Packet++/src/SSLHandshake.cpp of the component TLS Hello Handler. Executing a manipulation of the argument handshakeVersion can lead to...

CVE-2026-13588

A vulnerability was determined in seladb PcapPlusPlus 25.05. The impacted element is the function pcpp::SSLClientHelloMessage::getHandshakeVersion of the file Packet++/src/SSLHandshake.cpp of the component TLS Hello Handler. Executing a manipulation of the argument handshakeVersion can lead to...

gnutls: gnutls: Denial of Service via DTLS packet reordering vulnerability

A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security DTLS packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequence numbers. This...

CVE-2026-12245

A flaw was found in NSD. When NSD is configured with DNS over TLS DoT, a remote attacker can exploit a vulnerability by performing a TLS action and then prematurely closing the connection. This action causes the server process to crash and restart. By repeatedly exploiting this flaw, an attacker...

Security Bulletin: Log4j Core TLS hostname verification bypass via verifyHostName XML attribute allows man-in-the-middle attacks on SMTP/Socket/Syslog appenders.

Summary Vulnerabilities have been identified in Apache Log4j Core versions up to 2.25.3 and the Log4j 1-to-2 bridge, covering TLS hostname verification bypass, CRLF log injection, and malformed XML output due to improper character escaping. Collectively, these issues expose applications to...

PYSEC-2026-384 Lemur: ACME SSRF + creator-equality IDOR lead to AWS IAM/PKI compromise

Lemur 1.9.0: any SSO-authenticated user achieves AWS IAM compromise and permanent PKI key access via ACME acmeurl SSRF and creator-equality IDOR Vulnerability Summary Field | Value -- | -- Title | Lemur 1.9.0: any SSO-authenticated user achieves AWS IAM compromise and permanent PKI key access via...

gnutls: GnuTLS: Denial of Service via DTLS zero-length fragment

A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to an integer underflow during reassembly and resulting in an out-of-bounds read. This issue is remotely exploitable and may cause information disclosure or denial of service...

BIT-NODE-MIN-2026-48934

A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation. This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26...

BIT-NODE-2026-48934

A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation. This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26...

BIT-NODE-MIN-2026-48928

A inconsistency in Node.js hostname matching can cause a trust-policy bypass in multi-context mTLS setups. This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26...

BIT-NODE-2026-48930

A flaw in Node.js TLS hostname handling can cause Embedded-nul hostnames can lead to silent authority rebinding due to c-string truncation in resolver bindings. This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26...

BIT-NODE-2026-48928

A inconsistency in Node.js hostname matching can cause a trust-policy bypass in multi-context mTLS setups. This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26...

BIT-NODE-2026-48618

A flaw in Node.js TLS hostname handling can cause Node.js unicode dot separator handling can lead to tls wildcard-depth authentication bypass due to resolver and verifier hostname normalization mismat. This can lead to confidentiality impact or bypass of the intended security boundary under...

gnutls: GnuTLS: Denial of Service via heap buffer overflow in DTLS handshake fragment reassembly

A heap buffer overflow vulnerability exists in the DTLS handshake fragment reassembly logic of GnuTLS. The issue arises in mergehandshakepacket where incoming handshake fragments are matched and merged based solely on handshake type, without validating that the messagelength field remains...

AlmaLinux 9 : containernetworking-plugins (ALSA-2026:29703)

The remote AlmaLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:29703 advisory. net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-25679 crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient...

tomcat security update

1:9.0.117-1 - Resolves: RHEL-150714 Certificate revocation bypass due to improper OCSP response validation - Resolves: Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled CVE-2026-34500 - Resolves: Tomcat: Cloud membership for clustering component exposed the Kubernet...