CVE-2026-55213 h2o: musl libc stack overflow (QPACK)

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...

CVE-2026-59161

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. Prior to 2.11.0, the streaming worksheet reader used by Rows and GetRows does not enforce the TotalRows limit on the row r attribute, allowing a small XLSX file with a row number above 1048576 and no cell...

RLSA-2026:36617 Important: oci-seccomp-bpf-hook security update

OCI Hook to generate seccomp json files based on EBF syscalls used by container oci-seccomp-bpf-hook provides a library for applications looking to use the Container Pod concept popularized by Kubernetes. Security Fixes: net: golang: Go net package: Denial of Service via long CNAME response in...

js-yaml: js-yaml: Denial of Service via crafted YAML documents

A flaw was found in js-yaml, a JavaScript YAML parser and dumper. A remote attacker could exploit this vulnerability by providing a specially crafted YAML document containing a chain of mappings with merge keys. This could cause the parser to consume excessive CPU resources, leading to a Denial o...

SUSE CVE-2026-56289

GNU patch is vulnerable to a denial of service DoS due to improper validation of hunk single block of changes in diff line offsets in unified-diff input. A specially crafted patch can specify an extremely large line number, causing the application to enter an effectively infinite processing loop...

PT-2026-57305

Name of the Vulnerable Software and Affected Versions RabbitMQ versions prior to 4.2.6 Description The RabbitMQ stream listener fails to enforce the configured stream frame-size limit when assembling frames during authentication and before Tune negotiation. This allows an unauthenticated remote...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : libsoup vulnerabilities (USN-8523-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8523-1 advisory. Eric Su and Samuel Dainard discovered that libsoup incorrectly handled content with zero-leng...

CVE-2026-55605

DeepSeek MCP Server is an MCP server for DeepSeek V4. Starting in version 1.4.2 and prior to version 1.8.0, the self-hosted HTTP transport of @arikusi/deepseek-mcp-server exposes POST /mcp without any authentication: createMcpExpressApp is called without an authProvider and no middleware guards t...

CVE-2026-39197

A flaw was found in Vector. A remote attacker could send a specially crafted compressed request to Vector's HTTP ingest sources, causing unbounded memory allocation during decompression and leading to a Denial of Service DoS. Mitigation Restrict network access to Vector's HTTP and gRPC ingest...

CVE-2026-55605

DeepSeek MCP Server is an MCP server for DeepSeek V4. Starting in version 1.4.2 and prior to version 1.8.0, the self-hosted HTTP transport of @arikusi/deepseek-mcp-server exposes POST /mcp without any authentication: createMcpExpressApp is called without an authProvider and no middleware guards t...

CVE-2026-55605

Summary: CVE-2026-55605 affects the self-hosted HTTP transport of @arikusi/deepseek-mcp-server used with DeepSeek V4. starting in 1.4.2 and before 1.8.0, the POST /mcp endpoint is exposed without authentication due to createMcpExpressApp being called without an authProvider and missing route guar...

CVE-2026-33803

CVE-2026-33803 (Junos OS Evolved) : A wrong initialization allows a process that should be internal to be reachable over the network via an open port, exposing the device and increasing CPU usage from ingress processing. Affects Junos OS Evolved releases prior to the following: 23.2R2-S7-EVO, 23....

CVE-2026-58471

A flaw was found in GNU Wget. A remote attacker can exploit a heap buffer overflow vulnerability in the convertfname function. This occurs when processing a server-supplied filename that requires character set conversion, leading to memory corruption due to incorrect buffer reallocation. This can...

CVE-2026-23556

When oxenstored is tearing a domain down, the node data is cleaned up but the usage counts are leaked. When the domain ID is eventually reused, the new domain can create fewer nodes before beeing deemed to be over quota...

ALPINE-CVE-2026-23556

When oxenstored is tearing a domain down, the node data is cleaned up but the usage counts are leaked. When the domain ID is eventually reused, the new domain can create fewer nodes before beeing deemed to be over quota...

CVE-2026-23556

CVE-2026-23556 affects Xen oxenstored: when tearing down a domain, node data is cleaned but quota usage counts are leaked. On domain ID reuse, a new domain can create fewer nodes before being over quota. Impact is locally exploitable high-severity (CVSS 4.0 base 9.4, HIGH confidentiality, integri...

CVE-2026-23556

When oxenstored is tearing a domain down, the node data is cleaned up but the usage counts are leaked. When the domain ID is eventually reused, the new domain can create fewer nodes before beeing deemed to be over quota...

EUVD-2026-42600

When oxenstored is tearing a domain down, the node data is cleaned up but the usage counts are leaked. When the domain ID is eventually reused, the new domain can create fewer nodes before beeing deemed to be over quota...

DEBIAN-CVE-2026-56289

GNU patch is vulnerable to a denial of service DoS due to improper validation of hunk single block of changes in diff line offsets in unified-diff input. A specially crafted patch can specify an extremely large line number, causing the application to enter an effectively infinite processing loop...

Linux Distros Unpatched Vulnerability : CVE-2026-59938

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - pypdf is a free and open-source pure-python PDF library. Prior to 6.14.0, an attacker can craft a PDF with declared image size values that are much too large...