CVE-2026-41246 Contour: Lua code injection via Cookie Path Rewrite Policy

Contour is a Kubernetes ingress controller using Envoy proxy. From v1.19.0 to before v1.33.4, v1.32.5, and v1.31.6, Contour's Cookie Rewriting feature is vulnerable to Lua code injection. An attacker with RBAC permissions to create or modify HTTPProxy resources can craft a malicious value in...

CVE-2026-41246: Improper Control of Generation of Code

Contour is a Kubernetes ingress controller using Envoy proxy. From v1.19.0 to before v1.33.4, v1.32.5, and v1.31.6, Contour's Cookie Rewriting feature is vulnerable to Lua code injection. An attacker with RBAC permissions to create or modify HTTPProxy resources can craft a malicious value in...

Contour 代码注入漏洞

Contour is an open-source Kubernetes ingress controller that uses Envoy proxies. Versions of Contour from v1.19.0 to v1.33.4, v1.32.5 before v1.32.5, and v1.31.6 before v1.31.6 had a code injection vulnerability. This vulnerability stemmed from the Cookie rewriting feature, which was vulnerable t...

EUVD-2026-24939

A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress or getAddressListByDomain on a packet cache...

CVE-2026-33598

A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress or getAddressListByDomain on a packet cache...

CVE-2026-33598 Out-of-bounds read in cache inspection via Lua

A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress or getAddressListByDomain on a packet cache...

CVE-2026-33598

A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress or getAddressListByDomain on a packet cache...

PT-2026-34442

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description A cached crafted response can cause an out-of-bounds read, which occurs when a program reads data outside the intended boundary of a buffer. This happens if cust...

Linux Distros Unpatched Vulnerability : CVE-2026-27854

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An attacker might be able to trigger a use-after-free by sending crafted DNS queries to a DNSdist using the DNSQuestion:getEDNSOptions method in custom Lua code...

SUSE CVE-2026-24028

An attacker might be able to trigger an out-of-bounds read by sending a crafted DNS response packet, when custom Lua code uses newDNSPacketOverlay to parse DNS packets. The out-of-bounds read might trigger a crash, leading to a denial of service, or access unrelated memory, leading to potential...

CVE-2026-27853

A flaw was found in dnsdist. A remote attacker could send specially crafted DNS responses that, when processed by dnsdist using the DNSQuestion:changeName or DNSResponse:changeName methods in custom Lua code, may trigger an out-of-bounds write. This vulnerability can lead to a system crash,...

CVE-2026-27854

A flaw was found in DNSdist. An attacker could exploit this by sending crafted DNS queries that interact with the DNSQuestion:getEDNSOptions method in custom Lua code. This interaction can trigger a use-after-free vulnerability, potentially leading to a crash and a denial of service DoS for the...

CVE-2026-24028

A flaw was found in dnsdist and PowerDNS when custom Lua code uses newDNSPacketOverlay to parse DNS packets. A remote attacker could exploit this by sending a specially crafted DNS response packet, leading to an out-of-bounds read. This vulnerability might cause a system crash, resulting in a...

EUVD-2026-17409

An attacker might be able to trigger a use-after-free by sending crafted DNS queries to a DNSdist using the DNSQuestion:getEDNSOptions method in custom Lua code. In some cases DNSQuestion:getEDNSOptions might refer to a version of the DNS packet that has been modified, thus triggering a...

EUVD-2026-17407

An attacker might be able to trigger an out-of-bounds write by sending crafted DNS responses to a DNSdist using the DNSQuestion:changeName or DNSResponse:changeName methods in custom Lua code. In some cases the rewritten packet might become larger than the initial response and even exceed 65535...

CVE-2026-27853

An attacker might be able to trigger an out-of-bounds write by sending crafted DNS responses to a DNSdist using the DNSQuestion:changeName or DNSResponse:changeName methods in custom Lua code. In some cases the rewritten packet might become larger than the initial response and even exceed 65535...

UBUNTU-CVE-2026-27853

An attacker might be able to trigger an out-of-bounds write by sending crafted DNS responses to a DNSdist using the DNSQuestion:changeName or DNSResponse:changeName methods in custom Lua code. In some cases the rewritten packet might become larger than the initial response and even exceed 65535...

CVE-2026-27854

An attacker might be able to trigger a use-after-free by sending crafted DNS queries to a DNSdist using the DNSQuestion:getEDNSOptions method in custom Lua code. In some cases DNSQuestion:getEDNSOptions might refer to a version of the DNS packet that has been modified, thus triggering a...

CVE-2026-27854 Use after free when parsing EDNS options in Lua

An attacker might be able to trigger a use-after-free by sending crafted DNS queries to a DNSdist using the DNSQuestion:getEDNSOptions method in custom Lua code. In some cases DNSQuestion:getEDNSOptions might refer to a version of the DNS packet that has been modified, thus triggering a...

CVE-2026-27853 Out-of-bounds write when rewriting large DNS packets

An attacker might be able to trigger an out-of-bounds write by sending crafted DNS responses to a DNSdist using the DNSQuestion:changeName or DNSResponse:changeName methods in custom Lua code. In some cases the rewritten packet might become larger than the initial response and even exceed 65535...