Envoy: Race condition in Dynamic Forward Proxy leads to use-after-free and segmentation faults

Summary A use-after-free UAF vulnerability in Envoy's DNS cache causes abnormal process termination. Envoy may reallocate memory when processing a pending DNS resolution, causing list iterator to reference freed memory. Details The vulnerability exists in Envoy's Dynamic Forward Proxy...

AZL-67097 CVE-2025-58063 affecting package coredns for versions less than 1.11.4-10

CoreDNS is a DNS server that chains plugins. Starting in version 1.2.0 and prior to version 1.12.4, the CoreDNS etcd plugin contains a TTL confusion vulnerability where lease IDs are incorrectly used as TTL values, enabling DNS cache pinning attacks. This effectively creates a DoS condition for D...

CVE-2025-58063

CoreDNS TTL confusion vulnerability (CVE-2025-58063) affects the etcd plugin: lease IDs (64-bit) are cast to uint32 and used as TTLs, enabling DNS cache pinning and denial of service. Affected: CoreDNS versions prior to 1.12.4 (from 1.2.0 up to

SUSE CVE-2025-54588

Envoy is an open source L7 proxy and communication bus designed for large modern service oriented architectures. Versions 1.34.0 through 1.34.4 and 1.35.0 contain a use-after-free UAF vulnerability in the DNS cache, causing abnormal process termination. The vulnerability is in Envoy's Dynamic...

BIT-ENVOY-2025-54588 Envoy: Race condition in Dynamic Forward Proxy leads to use-after-free and segmentation faults

Envoy is an open source L7 proxy and communication bus designed for large modern service oriented architectures. Versions 1.34.0 through 1.34.4 and 1.35.0 contain a use-after-free UAF vulnerability in the DNS cache, causing abnormal process termination. The vulnerability is in Envoy's Dynamic...

CVE-2025-54588

Envoy is an open source L7 proxy and communication bus designed for large modern service oriented architectures. Versions 1.34.0 through 1.34.4 and 1.35.0 contain a use-after-free UAF vulnerability in the DNS cache, causing abnormal process termination. The vulnerability is in Envoy's Dynamic...

CVE-2025-54588 Envoy: Race condition in Dynamic Forward Proxy leads to use-after-free and segmentation faults

Envoy is an open source L7 proxy and communication bus designed for large modern service oriented architectures. Versions 1.34.0 through 1.34.4 and 1.35.0 contain a use-after-free UAF vulnerability in the DNS cache, causing abnormal process termination. The vulnerability is in Envoy's Dynamic...

CVE-2025-54588 Envoy: Race condition in Dynamic Forward Proxy leads to use-after-free and segmentation faults

Envoy is an open source L7 proxy and communication bus designed for large modern service oriented architectures. Versions 1.34.0 through 1.34.4 and 1.35.0 contain a use-after-free UAF vulnerability in the DNS cache, causing abnormal process termination. The vulnerability is in Envoy's Dynamic...

CVE-2025-54588 Envoy: Race condition in Dynamic Forward Proxy leads to use-after-free and segmentation faults

Envoy is an open source L7 proxy and communication bus designed for large modern service oriented architectures. Versions 1.34.0 through 1.34.4 and 1.35.0 contain a use-after-free UAF vulnerability in the DNS cache, causing abnormal process termination. The vulnerability is in Envoy's Dynamic...

PT-2025-35643

Name of the Vulnerable Software and Affected Versions: Envoy versions 1.34.0 through 1.34.4 Envoy version 1.35.0 Description: Envoy is an open source L7 proxy and communication bus designed for large modern service oriented architectures. Affected versions contain a use-after-free UAF vulnerabili...

Linux Distros Unpatched Vulnerability : CVE-2018-10920

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper input validation bug in DNS resolver component of Knot Resolver before 2.4.1 allows remote attacker to poison cache. CVE-2018-10920 Note that Nessus...

Linux Distros Unpatched Vulnerability : CVE-2020-25685

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in dnsmasq before version 2.83. When getting a reply from a forwarded query, dnsmasq checks in forward.c:replyquery, which is the forwarded que...

TencentOS Server 3: dnsmasq (TSSA-2022:0246)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2022:0246 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

CVE-2023-26438

External service lookups for a number of protocols were vulnerable to a time-of-check/time-of-use TOCTOU weakness, involving the JDK DNS cache. Attackers that were timing DNS cache expiry correctly were able to inject configuration that would bypass existing network deny-lists. Attackers could...

CVE-2023-41045

Graylog is a free and open log management platform. Graylog makes use of only one single source port for DNS queries. Graylog binds a single socket for outgoing DNS queries and while that socket is bound to a random port number it is never changed again. This goes against recommended practice sin...

CVE-2023-30464

CoreDNS through 1.10.1 enables attackers to achieve DNS cache poisoning and inject fake responses via a birthday attack...

CVE-2023-28457

An issue was discovered in Technitium through 11.0.3. It enables attackers to conduct a DNS cache poisoning attack and inject fake responses within 1 second, which is impactful...

CVE-2022-34294

totd 1.5.3 uses a fixed UDP source port in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks...

CVE-2022-30295

uClibc-ng through 1.0.40 and uClibc through 0.9.33.2 use predictable DNS transaction IDs that may lead to DNS cache poisoning. This is related to a reset of a value to 0x2...

CVE-2021-25677

A vulnerability has been identified in APOGEE PXC Compact BACnet All versions = V0.5.0.0 V1.0.0.0, TALON TC Compact BACnet All versions V3.5.5, TALON TC Modular BACnet All versions V3.5.5. The DNS client does not properly randomize DNS transaction IDs. That could allow an attacker to poison the D...