SUSE-SU-2026:21752-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2026-3832: cert-session: fix multi-entry OCSP revocation bypass bsc1263706. - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive bsc1263707. - CVE-2026-5260: lib/pkcs11privkey: guard against overreading on short...

GnuTLS 安全漏洞

GnuTLS is an open-source, free security communication library developed by GnuTLS that enables the implementation of SSL, TLS, and DTLS protocols. There is a security vulnerability in gnutls, which stems from a logic issue with the reordering of Datagram Transport Layer Security packets. This...

OESA-2026-2333 gnutls security update

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface API to access the secure communications protocols as well as APIs to parse and write X.509, PKCS 12, and other...

CLSA-2026-1778238329 gnutls: Fix of CVE-2026-33845

CVE-2026-33845: fix DTLS handshake parsing integer underflow leading to OOB read...

BIT-JRE-2023-21835

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: JSSE. Supported versions that are affected are Oracle Java SE: 11.0.17, 17.0.5, 19.0.1; Oracle GraalVM Enterprise Edition: 20.3.8, 21.3.4 and 22.3.0. Easily exploitable vulnerability allows...

BIT-JAVA-MIN-2023-21835

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: JSSE. Supported versions that are affected are Oracle Java SE: 11.0.17, 17.0.5, 19.0.1; Oracle GraalVM Enterprise Edition: 20.3.8, 21.3.4 and 22.3.0. Easily exploitable vulnerability allows...

Improper Handling of Length Parameter Inconsistency

Overview Affected versions of this package are vulnerable to Improper Handling of Length Parameter Inconsistency in the mergehandshakepacket process. An attacker can cause application crashes or memory corruption by sending crafted DTLS handshake fragments with inconsistent messagelength values,...

CVE-2026-33846 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...

CentOS 9 : gnutls-3.8.10-4.el9

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the gnutls-3.8.10-4.el9 build changelog. - A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels,...

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...

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...

UBUNTU-CVE-2026-5264

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow...

CVE-2026-5264

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow...

CVE-2026-5264

CVE-2026-5264 describes a heap buffer overflow in DTLS 1.3 ACK message processing. The vulnerability can be triggered by a remote attacker that sends a crafted DTLS 1.3 ACK message, potentially enabling high-impact outcomes as reflected by the associated CVSS metrics (NVD: AV:N/AC:L/PR:N/UI:N/S:U...

CVE-2026-5264 DTLS 1.3 ACK heap buffer overflow

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow...

CVE-2026-5264 DTLS 1.3 ACK heap buffer overflow

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow...

CVE-2026-5264

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow...

CVE-2026-5446 wolfSSL ARIA-GCM TLS 1.2/DTLS 1.2 GCM nonce reuse

In wolfSSL, ARIA-GCM cipher suites used in TLS 1.2 and DTLS 1.2 reuse an identical 12-byte GCM nonce for every application-data record. Because wcAriaEncrypt is stateless and passes the caller-supplied IV verbatim to the MagicCrypto SDK with no internal counter, and because the explicit IV is...

wolfSSL 安全漏洞

wolfSSL CyaSSL is a small, portable embedded SSL programming library developed by the American company wolfSSL, aimed at developers working with embedded systems. There is a security vulnerability in wolfSSL, which stems from a heap buffer overflow issue in the processing of DTLS 1.3 ACK messages...

MGASA-2026-0074 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...