CVE-2026-94450

Improper validation of the Destination Connection ID length in s2n-quic 1.88.0 and earlier may allow an unauthenticated remote user to cause a denial of service by shutting down a server endpoint via a single crafted UDP datagram. Only server endpoints specifically configured to send Retry packet...

CVE-2026-94450 Potential denial of service when configured to send Retry packets in s2n-quic

Improper validation of the Destination Connection ID length in s2n-quic 1.88.0 and earlier may allow an unauthenticated remote user to cause a denial of service by shutting down a server endpoint via a single crafted UDP datagram. Only server endpoints specifically configured to send Retry packet...

EUVD-2026-84822

Improper validation of the Destination Connection ID length in s2n-quic 1.88.0 and earlier may allow an unauthenticated remote user to cause a denial of service by shutting down a server endpoint via a single crafted UDP datagram. Only server endpoints specifically configured to send Retry packet...

CVE-2026-94450 Potential denial of service when configured to send Retry packets in s2n-quic

Improper validation of the Destination Connection ID length in s2n-quic 1.88.0 and earlier may allow an unauthenticated remote user to cause a denial of service by shutting down a server endpoint via a single crafted UDP datagram. Only server endpoints specifically configured to send Retry packet...

CVE-2026-94450

The s2n-quic library, version 1.88.0 and earlier , contains a vulnerability where improper validation of the Destination Connection ID length can be exploited. An unauthenticated remote user can trigger a denial of service by shutting down a server endpoint using a single crafted UDP datagram . T...

CVE-2026-94450 Potential denial of service when configured to send Retry packets in s2n-quic

Improper validation of the Destination Connection ID length in s2n-quic 1.88.0 and earlier may allow an unauthenticated remote user to cause a denial of service by shutting down a server endpoint via a single crafted UDP datagram. Only server endpoints specifically configured to send Retry packet...

PT-2026-97044

Name of the Vulnerable Software and Affected Versions s2n-quic versions prior to 1.89.0 Description Improper validation of the Destination Connection ID length allows an unauthenticated remote user to cause a denial of service by shutting down a server endpoint using a single crafted UDP datagram...

CVE-2026-94450: Improper Validation of Specified Quantity in Input

Improper validation of the Destination Connection ID length in s2n-quic 1.88.0 and earlier may allow an unauthenticated remote user to cause a denial of service by shutting down a server endpoint via a single crafted UDP datagram. Only server endpoints specifically configured to send Retry packet...

CVE-2026-20250: Missing Release of Resource after Effective Lifetime

A vulnerability in Datagram TLS DTLS message handling of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software for Cisco Secure Firewall 3100 Series and 4200 Series devices could allow an unauthenticated, remote attacker to cause a...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: VMCI: Fixed a use-after-free when removing a resource in vmciresourceremove. When removing a resource from vmciresourcetable in vmciresourceremove, the search for the resource is performed by comparing the context and resource...

Astra Linux – Vulnerability in mbedtls

A vulnerability was discovered in Mbed TLS before versions 2.28.1 and 3.x, prior to 3.2.0. In some configurations, an unauthenticated attacker can send an invalid ClientHello message to a DTLS server, causing a heap-based buffer overflow of up to 255 bytes. This can lead to a server crash or,...

Astra Linux – Vulnerability in OVN

A flaw was discovered in the Open Virtual Network OVN. Specially crafted UDP packets may bypass egress access control lists ACLs in OVN installations that are configured with a logical switch equipped with DNS records. This occurs if the same switch has any egress ACLs configured. This issue can...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: - UDP: Fixed a race condition between close and udpabort. - Kaustubh reported and diagnosed a panic condition in udpliblookup. The root cause is that udpabort is racing with close. Both functions attempt to acquire the socket...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: dccp: Fixed a race condition around the dp-dccpsmsscache variable. The dccpsendmsg function reads the dp-dccpsmsscache before locking the socket. The same issue occurs in dodccpgetsockopt. Added annotations for...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: rds: Do not hold the sock lock when canceling work from rdstcpresetcallbacks. The syzbot is reporting a lockdep warning at rdstcpresetcallbacks 1. The related commit is ac3615e7f3cffe2a “RDS: TCP: Reduce code duplication in...

Astra Linux – Vulnerability in Erlang

In Erlang/OTP versions prior to 23.3.4.15, 24.x before 24.3.4.2, and 25.x before 25.0.2, there was a situation where Client Authentication Bypass occurred in certain client-certification scenarios for SSL, TLS, and DTLS...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/rds: There is no shortcut for exiting from RDSCONNERROR. RDS connections have a state called “rdsconnpath::cpstate”, and they transition between states based on the expected state “rdsconnpathtransition”. There is one excepti...

Astra Linux – Vulnerability in c-ares

c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service attacks. When a target resolver sends a query, the attacker creates a malformed UDP packet with a length of 0 and sends it back to the target resolver. The target resolver misinterprets this 0-length field as an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: gtp: The device is destroyed along with the udp socket’s netns. The gtpnewlink function links the device to the list in devnet dev, instead of srcnet, where an udp tunnel socket is created. Even when srcnet is removed, the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: gso: Fixed the udp gso fraglist segmentation issue after pulling from fraglist. Detect invalid geometry conditions caused by corrupted geometry data see below, and pass these conditions to skbsegment instead of skbSegmentList...