JLSEC-2026-670

In wolfSSL before 5.2.0, a TLS 1.3 server cannot properly enforce a requirement for mutual authentication. A client can simply omit the certificateverify message from the handshake, and never present a certificate...

JLSEC-2026-734 Out-of-bounds write in the Renesas TSIP TLS 1.3 transcript buffer. In tsip_StoreMessage() the...

Out-of-bounds write in the Renesas TSIP TLS 1.3 transcript buffer. In tsipStoreMessage the capacity check guarding the fixed message bag MSGBAGSIZE sets an error code but fails to return, so execution falls through to an XMEMCPY that writes past the end of the buffer once the accumulated TLS 1.3...

JLSEC-2026-698 Missing SNI/ALPN binding on stateful (session-ID) resumption, which previously skipped the...

Missing SNI/ALPN binding on stateful session-ID resumption, which previously skipped the binding check performed for ticket-based resumption. A cached session could be resumed under a different SNI/ALPN than originally negotiated and, where client-authentication policy differs across virtual host...

BIT-NATS-2026-58250 NATS Server: Pre-auth server crash via double INFO in leafnode handshake

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.12.8 and 2.11.17, an unauthenticated peer with network access to a leafnode listener with compression enabled could crash the server during the pre-authentication leafnode handshake by...

CVE-2026-12707

CVE-2026-12707 affects Cloudflare quiche. After QUIC handshakes, an attacker can trigger unbounded queuing of PathEvent::ReusedSourceConnectionId during rapid source address migration, causing memory resource exhaustion. Affected component is quiche’s PathEvents collection (path_event_next() drai...

PT-2026-58919

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.12.8 and 2.11.17, an unauthenticated peer with network access to a leafnode listener with compression enabled could crash the server during the pre-authentication leafnode handshake by...

CVE-2026-58250

A flaw was found in NATS Server, a high-performance messaging system. An unauthenticated attacker with network access to a leafnode listener, where compression is enabled, could exploit this vulnerability. By sending repeated leafnode INFO protocol messages during the pre-authentication handshake...

NATS Server: Pre-auth server crash via double INFO in leafnode handshake

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SUSE CVE-2026-59692

A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an...

SUSE-SU-2026:2822-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2025-14831: excessive resource consumption when verifying specially crafted malicious certificates containing a large number of name constraints and SANs bsc1257960. - CVE-2026-3833: incorrectly accepted domain names due to comparison during...

EUVD-2026-42588

Vinchin Backup & Recovery through 9.0.0.86562 contains a stack buffer overflow vulnerability in the ModuleHandShake function of the agentlinkserver service that allows unauthenticated remote attackers to overwrite the saved return address by supplying an oversized listenuuid field that is measure...

CVE-2026-59692

A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an...

UBUNTU-CVE-2026-59692

A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an...

EUVD-2026-42570

A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an...

CVE-2026-59692

A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an...

CVE-2026-59692

GStreamer DTLS plugin exposes a stack buffer overflow during DTLS handshake when formatting the peer certificate Subject DN into a fixed 2048-byte stack buffer without bounds checks. A remote unauthenticated attacker can supply an oversized Subject DN to trigger the overflow, causing a crash and ...

PT-2026-56784

Name of the Vulnerable Software and Affected Versions GStreamer affected versions not specified Description A stack buffer overflow occurs in the DTLS plugin during a DTLS handshake. The issue arises when the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack...

NULL Pointer Dereference

Overview github.com/nats-io/nats-server/server is an A simple, secure and performant communications system for digital systems, services and devices. Affected versions of this package are vulnerable to NULL Pointer Dereference via the leafnode handshake process. An attacker can cause the server t...

NULL Pointer Dereference

Overview github.com/nats-io/nats-server/v2/server is an A simple, secure and performant communications system for digital systems, services and devices. Affected versions of this package are vulnerable to NULL Pointer Dereference via the leafnode handshake process. An attacker can cause the serve...

CVE-2026-54772 CoreWCF: Pre-authentication infinite-loop CPU exhaustion in CoreWCF net.tcp / net.pipe / net.uds framing handshake

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, an unauthenticated remote attacker that can reach a NetTcpBinding, NetNamedPipeBinding, or UnixDomainSocketBinding endpoint can trigger premature EOF handling in the CoreWCF...