CVE-2026-115215

In Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a, the NetX Secure DTLS server allocates a session from its fixed session pool for the first datagram from any unrecognised address and port, before the cookie exchange, and never releases a session whose handshake stalls. A remote,...

EUVD-2026-115638

In Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a, the NetX Secure DTLS server allocates a session from its fixed session pool for the first datagram from any unrecognised address and port, before the cookie exchange, and never releases a session whose handshake stalls. A remote,...

PT-2026-135823

In Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a, the NetX Secure DTLS server allocates a session from its fixed session pool for the first datagram from any unrecognised address and port, before the cookie exchange, and never releases a session whose handshake stalls. A remote,...

CVE-2026-106465

The NetX Secure DTLS server sends a HelloVerifyRequest carrying a freshly generated cookie, but never checks the cookie a client returns. The ClientHello parser copies the client's cookie bytes over the value the server issued, and the server then decides whether the client has been verified from...

CVE-2026-106465

The NetX Secure DTLS server is vulnerable to an authentication bypass and network amplification because it fails to properly verify cookies in a HelloVerifyRequest . The ClientHello parser incorrectly overwrites the server-issued cookie with client-provided bytes and validates verification based ...

CVE-2026-106465

The NetX Secure DTLS server sends a HelloVerifyRequest carrying a freshly generated cookie, but never checks the cookie a client returns. The ClientHello parser copies the client's cookie bytes over the value the server issued, and the server then decides whether the client has been verified from...

CVE-2026-106465: Authentication Bypass by Spoofing

The NetX Secure DTLS server sends a HelloVerifyRequest carrying a freshly generated cookie, but never checks the cookie a client returns. The ClientHello parser copies the client's cookie bytes over the value the server issued, and the server then decides whether the client has been verified from...

DTLS server cookie bypass during startup window due to empty initial cookie secret

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openssl:dtlsserver: Heap-use-after-free in dtls1_read_bytes

Project: https://github.com/openssl/openssl.git Detailed Report: https://oss-fuzz.com/testcase?key=4624059060256768 Project: openssl Fuzzing Engine: libFuzzer Fuzz Target: dtlsserver Job Type: libfuzzerasanopenssl Platform Id: linux Crash Type: Heap-use-after-free READ 12 Crash Address:...

CVE-2019-16747

In MatrixSSL before 4.2.2 Open, the DTLS server can encounter an invalid pointer free leading to memory corruption and a daemon crash via a crafted incoming network message, a different vulnerability than CVE-2019-14431...

EUVD-2019-5630

Malware in sbrugna...

EUVD-2019-7287

Malware in sbrugna...

EUVD-2022-38299

Malicious code in bioql PyPI...

CVE-2019-14431

In MatrixSSL 3.8.3 Open through 4.2.1 Open, the DTLS server mishandles incoming network messages leading to a heap-based buffer overflow of up to 256 bytes and possible Remote Code Execution in parseSSLHandshake in sslDecode.c. During processing of a crafted packet, the server mishandles the...

openSUSE 15 Security Update : mbedtls (openSUSE-SU-2022:10247-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2022:10247-1 advisory. - An issue was discovered in Mbed TLS before 2.28.1 and 3.x before 3.2.0. In some configurations, an unauthenticated attacker can send an...

CVE-2022-35409

An issue was discovered in Mbed TLS before 2.28.1 and 3.x before 3.2.0. In some configurations, an unauthenticated attacker can send an invalid ClientHello message to a DTLS server that causes a heap-based buffer over-read of up to 255 bytes. This can cause a server crash or possibly information...

CVE-2022-35409

An issue was discovered in Mbed TLS before 2.28.1 and 3.x before 3.2.0. In some configurations, an unauthenticated attacker can send an invalid ClientHello message to a DTLS server that causes a heap-based buffer over-read of up to 255 bytes. This can cause a server crash or possibly information...

Heap overflow

An issue was discovered in Mbed TLS before 2.28.1 and 3.x before 3.2.0. In some configurations, an unauthenticated attacker can send an invalid ClientHello message to a DTLS server that causes a heap-based buffer over-read of up to 255 bytes. This can cause a server crash or possibly information...

CVE-2022-35409

An issue was discovered in Mbed TLS before 2.28.1 and 3.x before 3.2.0. In some configurations, an unauthenticated attacker can send an invalid ClientHello message to a DTLS server that causes a heap-based buffer over-read of up to 255 bytes. This can cause a server crash or possibly information...

CVE-2022-35409: Out-of-bounds Read

An issue was discovered in Mbed TLS before 2.28.1 and 3.x before 3.2.0. In some configurations, an unauthenticated attacker can send an invalid ClientHello message to a DTLS server that causes a heap-based buffer over-read of up to 255 bytes. This can cause a server crash or possibly information...