UBUNTU-CVE-2026-55950

Time-of-check Time-of-use TOCTOU race condition vulnerability in Erlang/OTP ssl dtlspacketdemux module allows an unauthenticated remote attacker to crash all active DTLS sessions on a listener. A DTLS server listener uses a single shared dtlspacketdemux genserver process to route incoming UDP...

CVE-2026-55950 DTLS listener crash via race condition in dtls_packet_demux causes denial of service for all sessions

Time-of-check Time-of-use TOCTOU race condition vulnerability in Erlang/OTP ssl dtlspacketdemux module allows an unauthenticated remote attacker to crash all active DTLS sessions on a listener. A DTLS server listener uses a single shared dtlspacketdemux genserver process to route incoming UDP...

CVE-2026-55950

Time-of-check Time-of-use TOCTOU race condition vulnerability in Erlang/OTP ssl dtlspacketdemux module allows an unauthenticated remote attacker to crash all active DTLS sessions on a listener. A DTLS server listener uses a single shared dtlspacketdemux genserver process to route incoming UDP...

CVE-2026-55950 DTLS listener crash via race condition in dtls_packet_demux causes denial of service for all sessions

Time-of-check Time-of-use TOCTOU race condition vulnerability in Erlang/OTP ssl dtlspacketdemux module allows an unauthenticated remote attacker to crash all active DTLS sessions on a listener. A DTLS server listener uses a single shared dtlspacketdemux genserver process to route incoming UDP...

EEF-CVE-2026-55950 DTLS listener crash via race condition in dtls_packet_demux causes denial of service for all sessions

Summary Time-of-check Time-of-use TOCTOU race condition vulnerability in Erlang/OTP ssl dtls\packet\demux module allows an unauthenticated remote attacker to crash all active DTLS sessions on a listener. A DTLS server listener uses a single shared dtls\packet\demux gen\server process to route...

CVE-2026-55950

This CVE (CVE-2026-55950) describes a TOCTOU race in Erlang/OTP ssl (dtls_packet_demux.erl) where a DTLS listener’s shared demux process can be crashed by an unauthenticated remote attacker sending rapid ClientHello datagrams from the same source IP/port. The race in the internal gb_trees store l...

Amazon Linux 2 : gnutls, --advisory ALAS2-2026-3324 (ALAS-2026-3324)

The version of gnutls installed on the remote host is prior to 3.3.29-9. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3324 advisory. A remotely triggerable underflow in the DTLS reassembly code led to a heap overrun. The issue was reported in the issue...

EUVD-2009-1377

Malware in sbrugna...

Denial Of Service (DoS) Through Memory Leaks

OpenSSL is vulnerable to denial of service DoS attacks through memory leaks. There is a memory leak which can be triggered by a zero-length fragment in a DTLS packet...

CVE-2009-1386

ssl/s3pkt.c in OpenSSL before 0.9.8i allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a DTLS ChangeCipherSpec packet that occurs before ClientHello...

Design/Logic Flaw

Use-after-free vulnerability in the dtls1retrievebufferedfragment function in ssl/d1both.c in OpenSSL 1.0.0 Beta 2 allows remote attackers to cause a denial of service openssl sclient crash and possibly have unspecified other impact via a DTLS packet, as demonstrated by a packet from a server tha...