CVE-2026-40880 Zebra: Cached Mempool Verification Bypasses Consensus Rules for Ahead-of-Tip Blocks

ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.1 and zebra-consensus version 5.0.2, a logic error in Zebra's transaction verification cache could allow a malicious miner to induce a consensus split. By carefully submitting a transaction that is valid for height H+1 bu...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010751)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010751 advisory. In the Linux kernel, the following vulnerability has been resolved: vhost: fix hung thread due to erroneous iotlb entries In vhostiotlbaddrangectx, range size can...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013200)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013200 advisory. In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix memleak for 'conf-biosplit' In the error path of raid10run, 'conf' need be freed,...

GHSA-8M29-FPQ5-89JJ Zebra Vulnerable to Consensus Divergence in Transparent Sighash Hash-Type Handling

CVE-2026-41583: Consensus Divergence in Transparent Sighash Hash-Type Handling Summary After a refactoring, Zebra failed to validate a consensus rule that restricted the possible values of sighash hash types for V5 transactions which were enabled in the NU5 network upgrade. Zebra nodes could thus...

GHSA-XVJ8-PH7X-65GF Zebra: Cached Mempool Verification Bypasses Consensus Rules for Ahead-of-Tip Blocks

CVE-2026-40880: Cached Mempool Verification Bypasses Consensus Rules for Ahead-of-Tip Blocks Summary A logic error in Zebra's transaction verification cache could allow a malicious miner to induce a consensus split. By carefully submitting a transaction that is valid for height H+1 but invalid fo...

PT-2026-37129

Name of the Vulnerable Software and Affected Versions zebrad versions prior to 4.3.1 zebra-script versions prior to 5.0.2 Description Following a refactoring of the verification process for transparent transactions, Zebra failed to validate a consensus rule restricting the possible values of...

EUVD-2026-23419

A flaw was found in dnsmasq. A remote attacker could exploit an out-of-bounds write vulnerability by sending a specially crafted BOOTREPLY Bootstrap Protocol Reply packet to a dnsmasq server configured with the --dhcp-split-relay option. This can lead to memory corruption, causing the dnsmasq...

CVE-2026-6507

A flaw was found in dnsmasq. A remote attacker could exploit an out-of-bounds write vulnerability by sending a specially crafted BOOTREPLY Bootstrap Protocol Reply packet to a dnsmasq server configured with the --dhcp-split-relay option. This can lead to memory corruption, causing the dnsmasq...

CVE-2026-6507 Dnsmasq: dnsmasq: denial of service due to out-of-bounds write in dhcp bootreply processing

A flaw was found in dnsmasq. A remote attacker could exploit an out-of-bounds write vulnerability by sending a specially crafted BOOTREPLY Bootstrap Protocol Reply packet to a dnsmasq server configured with the --dhcp-split-relay option. This can lead to memory corruption, causing the dnsmasq...

CVE-2026-6507

A flaw was found in dnsmasq. A remote attacker could exploit an out-of-bounds write vulnerability by sending a specially crafted BOOTREPLY Bootstrap Protocol Reply packet to a dnsmasq server configured with the --dhcp-split-relay option. This can lead to memory corruption, causing the dnsmasq...

CVE-2026-6507 Dnsmasq: dnsmasq: denial of service due to out-of-bounds write in dhcp bootreply processing

A flaw was found in dnsmasq. A remote attacker could exploit an out-of-bounds write vulnerability by sending a specially crafted BOOTREPLY Bootstrap Protocol Reply packet to a dnsmasq server configured with the --dhcp-split-relay option. This can lead to memory corruption, causing the dnsmasq...

CVE-2026-6507

dnsmasq is affected by CVE-2026-6507 due to an out-of-bounds write in DHCP BOOTREPLY processing when configured with --dhcp-split-relay. This can allow a remote attacker to crash the dnsmasq daemon, causing DoS. Remediation: remove the --dhcp-split-relay option from the dnsmasq configuration and ...

CVE-2026-6507

A flaw was found in dnsmasq. A remote attacker could exploit an out-of-bounds write vulnerability by sending a specially crafted BOOTREPLY Bootstrap Protocol Reply packet to a dnsmasq server configured with the --dhcp-split-relay option. This can lead to memory corruption, causing the dnsmasq...

PT-2026-33448

Name of the Vulnerable Software and Affected Versions dnsmasq affected versions not specified Description A remote attacker can trigger an out-of-bounds write by sending a specially crafted BOOTREPLY Bootstrap Protocol Reply packet to a server configured with the --dhcp-split-relay option. This...

Linux Distros Unpatched Vulnerability : CVE-2026-6507

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. A remote attacker could exploit an out-of-bounds write vulnerability by sending a specially crafted BOOTREPLY Bootstrap Protocol...

Server-side Request Forgery (SSRF)

Overview langchain-text-splitters is a LangChain text splitting utilities Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the splittextfromurl function. An attacker can access internal network resources and potentially exfiltrate sensitive data by supplying...

GHSA-FV5P-P927-QMXR LangChain Text Splitters: HTMLHeaderTextSplitter.split_text_from_url SSRF Redirect Bypass

Summary HTMLHeaderTextSplitter.splittextfromurl validated the initial URL using validatesafeurl but then performed the fetch with requests.get with redirects enabled the default. Because redirect targets were not revalidated, a URL pointing to an attacker-controlled server could redirect to...

SUSE-SU-2026:1356-1 Security update for nfs-utils

This update for nfs-utils fixes the following issue: Security fixes: - CVE-2025-12801: rpc.mountd allows a NFSv3 client to escalate their privileges and access subdirectories and subtrees of an exported directory bsc1259204. Other fixes: - Split from nfs-utils into its own spec and changelog file...

CVE-2026-39884

mcp-server-kubernetes is a Model Context Protocol server for Kubernetes cluster management. Versions 3.4.0 and prior contain an argument injection vulnerability in the portforward tool in src/tools/portforward.ts, where a kubectl command is constructed via string concatenation with user-controlle...

CVE-2026-40394

Varnish Cache 9 before 9.0.1 and Varnish Enterprise before 6.0.16r11 allows a "workspace overflow" denial of service daemon panic for certain amounts of prefetched data. The setup of an HTTP/2 session starts with a speculative HTTP/1 transport, and upon upgrading to h2 the HTTP/1 request is...