72 matches found
CVE-2026-79981
The DNS stub resolver in subsys/net/lib/dns/resolve.c binds one UDP socket per configured server when the resolver context is initialised dnsresolveinitlocked - registerdispatcher - dnsdispatcherregister, with the local port left at 0 so the stack picks an ephemeral port exactly once. dnswrite th...
CVE-2026-79977
The WireGuard VPN service in subsys/net/lib/wireguard/wg.c updated the peer endpoint from a message it could not authenticate. In handletransportdata, when the 32-bit receiver index of an incoming transport-data message matched no session, the code both scheduled a new handshake and copied the...
CVE-2026-79981
The Zephyr RTOS DNS stub resolver (specifically in subsys/net/lib/dns/resolve.c) contains a vulnerability where it binds a single UDP socket per configured server during initialization. Because the source port remains constant for the lifetime of the resolver context while only the 16-bit transac...
PT-2026-110222
Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An issue exists in the RFC 6528 initial-sequence-number ISN implementation within subsys/net/ip/tcp.c. The system derives the TCP ISN using a 128-bit secret uniq...
Astra Linux – Vulnerability in ldns
NLnet Labs’ ldns version 1.2.0, including versions up to and including 1.9.0, when used as a stub resolver over UDP, fails to match the query destination address and port with the response source address and port. Moreover, neither the query ID nor the nature of the query matches that of the...
EUVD-2026-81703
In the Linux kernel, the following vulnerability has been resolved: inetpeer: randomize RB-tree node comparison using SipHash The inetpeer rate limiting system stores peer entries in a Red-Black tree keyed deterministically on the remote IP address. Because tree lookups walk the RB-tree using...
Linux Distros Unpatched Vulnerability : CVE-2026-89554
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and ms...
CVE-2026-89554
In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...
CVE-2026-89554 mptcp: fix uninitialized local_id in syncookie MP_JOIN reconstruction
In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...
MiracleLinux 9 : ldns-1.7.1-12.el9_8.1 (AXSA:2026-1603:02)
The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1603:02 advisory. ldns: ldns: Off-path poisoning attacks due to insufficient query-response matching CVE-2026-10846 Tenable has extracted the preceding description block...
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...
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...
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...
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...
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...
CVE-2026-54478 DNS Cookie bypass when combined with proxy-protocol use
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...
EUVD-2026-47678
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...
EUVD-2026-16128
When a challenge ACK is to be sent tcprespond constructs and sends the challenge ACK and consumes the mbuf that is passed in. When no challenge ACK should be sent the function returns and leaks the mbuf. If an attacker is either on path with an established TCP connection, or can themselves...
CVE-2026-4247: Missing Release of Memory after Effective Lifetime
When a challenge ACK is to be sent tcprespond constructs and sends the challenge ACK and consumes the mbuf that is passed in. When no challenge ACK should be sent the function returns and leaks the mbuf. If an attacker is either on path with an established TCP connection, or can themselves...