CVE-2026-52915 netfilter: ip6t_hbh: reject oversized option lists

In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6thbh: reject oversized option lists struct ip6topts stores at most IP6TOPTSOPTSNR option descriptors, but hbhmt6check does not reject larger optsnr values supplied from userspace. Validate optsnr in the rule setup...

kernel: ip6_tunnel: clear skb2->cb[] in ip4ip6_err()

A flaw was found in the Linux kernel's IPv6 tunnel implementation. A remote attacker could exploit this flaw by sending malicious ICMPv6 error messages to cause a stack-based buffer overflow in the kernel's IPv4-over-IPv6 tunnel error handling code. This could result in a kernel crash denial of...

PT-2026-52131

Name of the Vulnerable Software and Affected Versions Appsmith versions prior to 1.99 Description The 'POST /api/v1/admin/send-test-email' endpoint allows the use of attacker-controlled smtpHost and smtpPort values to establish a raw JavaMail TCP connection. This process bypasses the...

Fedora 44 : coturn (2026-dda1360c18)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-dda1360c18 advisory. Coturn 4.13.1 What's in this release - Security fixes What's Changed - Null-terminate servername in stunischallengeresponsestr - Canonicalize all...

EUVD-2026-38542

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.8.1, when a WebSocket connection was opened, Deno checked the destination hostname against --deny-net rules but did not re-check the IP addresses that hostname resolved to. An attacker-controlled script could use a specially...

EUVD-2026-38541

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.8.1, when fetch was called, Deno checked the destination hostname against --deny-net rules but did not re-check the IP addresses that hostname resolved to. An attacker-controlled script could use a specially crafted domain name...

kernel: ip6_tunnel: clear skb2->cb[] in ip4ip6_err()

A flaw was found in the Linux kernel's IPv6 tunnel implementation. A remote attacker could exploit this flaw by sending malicious ICMPv6 error messages to cause a stack-based buffer overflow in the kernel's IPv4-over-IPv6 tunnel error handling code. This could result in a kernel crash denial of...

RHEL 8 / 9 : Satellite 6.16.9 Async Update (Important) (RHSA-2026:27076)

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:27076 advisory. Red Hat Satellite is a system management solution that allows organizations to configure and maintain their systems without the necessi...

Mailpit: Incomplete SSRF protection in Link Check API via IPv6 transition mechanisms

Summary The remediation shipped in mailpit v1.29.2 for GHSA-mpf7-p9x7-96r3 CVE-2026-27808 is incomplete. The tools.IsInternalIP deny-list relies on Go's stdlib classification helpers IsLoopback, IsPrivate, IsLinkLocalUnicast, IsLinkLocalMulticast, IsUnspecified, IsMulticast plus an inline CGNAT...

CVE-2026-48715 radvdump's Route Information Option Parser has a Stack Buffer Overflow

radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the radvdump utility shipped with radvd contains a stack buffer overflow in the Route Information option parser. When processing a crafted ICMPv6 Router Advertisement, printff copies up to 2032 bytes from attacker-controlled...

CVE-2026-44046

Use of Less Trusted Source vulnerability in Apache APISIX. Attacker can take advantage of wolf-rbac plugin under default configuration to potentially pollute logs with spoofed identity information and exploit IP based access control rules. This issue affects Apache APISIX: from 1.2.0 through...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipv4: icmp: Validate the reply type before using icmppointers. Extended echo replies use ICMPEXTECHOREPLY as the outbound reply type. This value is outside the range covered by icmppointers, which only describes the traditional...

Malicious code in electron-internal-utils (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector e07ff16a8f4a44a8ccfc2f6f2a91eee6dbd3d1de9f1c4d6ca95e0e48999202ef On npm install, package.json's postinstall script executes curl http://9ph8dp.ceye.io, an out-of-band DNS/HTTP interaction service controlled by the...

PT-2026-55981

Name of the Vulnerable Software and Affected Versions Hugo versions 0.162.0 through 0.163.0 Description The default security.http.urls policy fails to properly block requests to loopback, internal, and cloud-metadata IPv4 literals because the deny rule only matches dotted-decimal notation...

CVE-2026-12539

Docker Sandboxes sbx blocks ICMP egress with an authorizer applied only at network-creation time, and does not re-apply it to networks rebuilt from disk when the Docker daemon restarts, so a restart-surviving sandbox forwards ICMP to arbitrary hosts. A workload inside a sandbox, which the threat...

CVE-2026-40456

An OS Command Injection vulnerability exists in LMS LAN Management System before commit 9fcb4de due to an IP address parameter being passed to the "exec" function without proper validation, allowing attackers to execute arbitrary operating system commands...

SUSE CVE-2026-52721

Multiple out-of-bounds read vulnerabilities were found in GStreamer's pcapparse element. Malformed PCAP records can trigger reads beyond buffer boundaries during IPv4/TCP header parsing. This element is primarily used in debugging pipelines, limiting real-world exposure. A local attacker could...

PT-2026-50676

Name of the Vulnerable Software and Affected Versions Docker Sandboxes affected versions not specified Description Docker Sandboxes sbx fail to re-apply the ICMP egress authorizer to networks rebuilt from disk after a Docker daemon restart. This allows a restart-surviving sandbox to forward ICMP...

EUVD-2026-37499

An authenticated OS command injection vulnerability exists in the IPv6 PPPoE configuration handler in TL-WR940N v6 due to improper sanitization of user input. An attacker with administrative access may exploit this issue to execute arbitrary system commands with elevated privileges...

netty-handler: netty-handler: IPv6 subnet rule bypass due to incorrect masking operation

A flaw was found in netty-handler, a component of the Netty network application framework. A remote attacker can exploit an incorrect masking operation in the IpSubnetFilterRule.compareTo function to bypass configured IPv6 subnet rules. This allows valid public IP addresses to circumvent intended...