Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: fix udp gsoskbSegment after pulling from fragList The commit a1e40ac5b5e9 “net: gso: fix udp gso fragList segmentation after pulling from fragList” detected invalid geometries in the fragList skbSegments and redirected them...

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

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Check the bearer type before calling tipcudpnlbeareradd syzbot reported the following general protection fault 1: General protection fault, likely for non-canonical address 0xdffffc0000000010: 0000 1 PREEMPT SMP KASAN...

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 dnsmasq

A issue was discovered in Dnsmasq before version 2.90. The default maximum EDNS.0 UDP packet size was set to 4096, but it should be 1232 due to DNS Flag Day 2020...

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 in Memcached

Memcached 1.6.7 allows a Denial of Service attack through multi-packet uploads in UDP...

CVE-2026-68323

In the Linux kernel, the following vulnerability has been resolved: tipc: serialize udp bearer replicast list updates tipcudprcastadd and cleanupbearer both update ub-rcast.list with listaddrcu / listdelrcu, but nothing serializes them. The add runs from the encap receive softirq via...

CVE-2026-68120

In the Linux kernel, the following vulnerability has been resolved: rtase: Workaround for TX hang caused by hardware packet parsing The hardware performs packet parsing before packet transmission. Parsing incomplete IPv4, IPv6, TCP, or UDP headers may trigger a TX hang because the hardware parser...

EUVD-2026-55547

In the Linux kernel, the following vulnerability has been resolved: sctp: close UDP tunnel sockets during netns teardown procsctpdoudpport starts per-net SCTP UDP tunneling sockets when net.sctp.udpport is set, and stops/restarts them when the sysctl value changes. The netns exit path does not st...

CVE-2026-66733 Sonic 3 A.I.R. Unbounded Memory Allocation DoS via ReceivedPacketCache

Sonic 3 A.I.R. before commit 2492d18 contains an unbounded memory allocation vulnerability in ReceivedPacketCache::enqueuePacket that allows unauthenticated remote attackers to crash the server process by sending a crafted UDP packet with mUniquePacketID set to the maximum uint32 value. The...

SUSE CVE-2026-64581

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix skdstcache double-free in xfrmuserpolicy xfrmuserpolicy clears the socket dst cache with skdstreset, i.e. the non-atomic skdstsetsk, NULL: it reads skdstcache with rcudereferenceprotected, stores NULL and dstreleases th...

CVE-2026-45538

OpenSIPS is a Session Initiation Protocol SIP server implementation. In versions 4.0.0 and prior, processing a SIP message with a header name longer than 255 bytes causes a stack buffer overflow when siptojson is called in the routing script. Function siptojson modules/sipmsgops/sipmsgops.c copie...

ldns: ldns: Off-path poisoning attacks due to insufficient query-response matching

A flaw was found in ldns. When applications use ldns as a resolver over User Datagram Protocol UDP, it fails to properly match the query's destination address and port with the response's source address and port. Additionally, the query ID and question are not matched with the response. This...

netty-resolver-dns: Netty DNS resolver: DNS Cache Poisoning via predictable transaction IDs

A flaw was found in Netty's DNS resolver component. This vulnerability arises from the use of a predictable pseudo-random number generator PRNG for DNS transaction IDs and a static User Datagram Protocol UDP source port. This combination significantly reduces the randomness of DNS queries, making...

CVE-2026-67978

An issue in the SBN UDP interface of NASA cFS v7.0.1 allows attackers to cause a Denial of Service DoS via transmitting a crafted SBN frame...

Integer Underflow (Wrap or Wraparound)

Overview Affected versions of this package are vulnerable to Integer Underflow Wrap or Wraparound via the PubSub signature verification process. An attacker can cause a denial of service by sending a specially crafted UDP packet. Remediation Upgrade open62541 to version 1.4.20, 1.5.8 or higher...

CVE-2026-63362 o6 Automation open62541 Integer Underflow

An unsigned integer underflow in the PubSub signature verification path in open62541 may allow a remote attacker to cause a denial of service via a crafted UDP packet...

CVE-2026-63362

An unsigned integer underflow in the PubSub signature verification path in open62541 may allow a remote attacker to cause a denial of service via a crafted UDP packet...

CVE-2026-54609

QTI Neon is a minimal, game-agnostic, relay-based UDP multiplayer protocol library. In version 1.0.0, the relay's handleReconnectRequest forwards RECONNECTREQUEST packets to the host without bounding them, so an unauthenticated client can drive relay-to-host amplification and cause a denial of...

CVE-2026-54478

In NLnet Labs Unbound 1.18.0 up to and including 1.25.1, when Unbound listens on a 'proxy-protocol-port' interface with 'answer-cookie: yes', the RFC 9018 server-cookie SipHash is computed over the proxy's wire address instead of the PROXYv2-declared client. One server cookie obtained through a...