Astra Linux – Vulnerability in unbound

A vulnerability in caching resolvers called “Rebirthday Attack” has been discovered in resolvers that support EDNS Client Subnet ECS. Unbound is also vulnerable when compiled with ECS support, i.e., with the option --enable-subnet, and when configured to send ECS information along with queries to...

CVE-2024-47477

Dell PowerFlex Manager, versions prior to 4.5.1.1, contain an improper certificate validation vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability leading to man-in-the-middle attack in tandem with DNS cache poisoning...

CVE-2024-47477

CVE-2024-47477 affects Dell PowerFlex Manager prior to 4.5.1.1, with an improper certificate validation vulnerability that could allow a remote unauthenticated attacker to perform a man‑in‑the‑middle attack in tandem with DNS cache poisoning. Affected product: PowerFlex Manager. Root cause: insuf...

CVE-2024-47477

Dell PowerFlex Manager, versions prior to 4.5.1.1, contain an improper certificate validation vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability leading to man-in-the-middle attack in tandem with DNS cache poisoning...

PT-2026-50427

Name of the Vulnerable Software and Affected Versions Dell PowerFlex Manager versions prior to 4.5.1.1 Description Improper certificate validation allows a remote unauthenticated attacker to potentially perform a man-in-the-middle attack when combined with DNS cache poisoning, which is a techniqu...

CVE-2024-47477: Improper Certificate Validation

Dell PowerFlex Manager, versions prior to 4.5.1.1, contain an improper certificate validation vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability leading to man-in-the-middle attack in tandem with DNS cache poisoning...

CVE-2026-45673

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-2026-47691

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's "DnsResolveContext" insufficiently validates the bailiwick of NS records, enabling DNS Cache Poisoning. An attacker controlling an authoritative name...

CVE-2026-47691 Netty has Insufficient Bailiwick Validation for NS Records

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext insufficiently validates the bailiwick of NS records, enabling DNS Cache Poisoning. An attacker controlling an authoritative name...

CVE-2026-45674

CVE-2026-45674 affects Netty DNS resolution: the DnsResolveContext fails to validate the origin (bailiwick) of CNAME records in DNS responses. Affected versions are 4.1.135.Final and 4.2.15.Final; the issue is patched in those same versions. Potential impact is DNS cache poisoning via missing bai...

CVE-2026-45673 Netty: DNS Cache Poisoning due to Predictable PRNG and Default Static Source Port

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DNS resolver uses a predictable PRNG for generating DNS transaction IDs and defaults to a static UDP source port. This combination reduces the entrop...

CVE-2026-45673

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DNS resolver uses a predictable PRNG for generating DNS transaction IDs and defaults to a static UDP source port. This combination reduces the entrop...

CVE-2026-47691: Insufficient Verification of Data Authenticity

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext insufficiently validates the bailiwick of NS records, enabling DNS Cache Poisoning. An attacker controlling an authoritative name...

CVE-2026-45673: Use of Insufficiently Random Values

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DNS resolver uses a predictable PRNG for generating DNS transaction IDs and defaults to a static UDP source port. This combination reduces the entrop...

Linux Distros Unpatched Vulnerability : CVE-2026-47691

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's...

EulerOS Virtualization 2.10.1 : dhcp (EulerOS-SA-2026-2017)

According to the versions of the dhcp package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into...

CVE-2026-39458

When a BIG-IP DNS profile enabled with DNS cache is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-40898 vulnerabilities

Vulnerabilities for packages: spegel, kargo, kyverno-policy-reporter, jitsucom-bulker, kyverno-policy-reporter-ui, ipfs-cluster, opentelemetry-operator, kubo, kube-metrics-adapter, teleport, frp, q, k3s, kubernetes-dns-node-cache, dkron, k8sgateway, coredns, traefik...

zeroconf has unbounded DNS record cache that allows LAN-local memory exhaustion via multicast flood

Impact DNSCache.asyncadd inserted every response record into cache, expirations, expireheap, and servicecache with no cap on entry count. The only pre-existing protection was a PTR TTL floor DNSPTRMINTTL = 1125 s, RFC 6762 §10, which actually prolonged attacker-injected records, and a periodic...

Allocation of Resources Without Limits or Throttling

Overview zeroconf is a Pure Python Multicast DNS Service Discovery Library Bonjour/Avahi compatible Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the DNSCache.asyncadd. Any unauthenticated host on the local link can exhaust system...