CVE-2026-40898 quic-go: HTTP/3 QPACK Trailer Expansion Memory Exhaustion

quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.59.1, an attacker can cause excessive memory allocation in quic-go's HTTP/3 client and server implementations by sending a QPACK-encoded HEADERS frame that decodes into a large trailer field section with many unique field...

CVE-2026-40898

quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.59.1, an attacker can cause excessive memory allocation in quic-go's HTTP/3 client and server implementations by sending a QPACK-encoded HEADERS frame that decodes into a large trailer field section with many unique field...

CVE-2026-40898

CVE-2026-40898 affects quic-go prior to version 0.59.1, where a QPACK-encoded HEADERS frame can deplete memory by expanding into large trailer sections. This DoS affects both HTTP/3 servers and clients because trailers are decoded into http.Header, exceeding limits that were only enforced on the ...

Imperva Customers Protected Against CVE-2026-49975 (HTTP/2 Bomb) DoS

TL;DR: CVE-2026-49975, dubbed the “HTTP/2 Bomb,” is a critical remote Denial-of-Service DoS vulnerability affecting default HTTP/2 configurations of major web servers including NGINX, Apache HTTPD, Microsoft IIS, Envoy, and Cloudflare Pingora. Discovered by security firm Calif using OpenAI’s Code...

New HTTP/2 Bomb Vulnerability Allows Remote DoS on NGINX, Apache, IIS, Envoy & Cloudflare

Cybersecurity researchers have discovered a remote denial-of-service exploit that affects major web servers, including NGINX, Apache HTTPD, Microsoft IIS, Envoy, and Cloudflare Pingora. The vulnerability has been codenamed HTTP/2 Bomb by Calif. "The vulnerable behavior exists in each server's...

PT-2026-46115

Name of the Vulnerable Software and Affected Versions quic-go affected versions not specified Description An attacker can trigger excessive memory allocation in the HTTP/3 client and server implementations by sending a QPACK-encoded HEADERS frame. This frame decodes into a large trailer field...

CVE-2026-9759

A flaw was found in the ROHC dissector in Wireshark. This issue occurs when malformed packets are decoded from a pcap file or the network, causing a NULL pointer dereference, resulting in a denial of service. Mitigation If the ROHC protocol dissector is not being used, it can be disabled via the...

OESA-2026-2481 wireshark security update

Wireshark allows you to examine protocol data stored in files or as it is captured from wired or wireless WiFi or Bluetooth networks, USB devices, and many other sources. It supports dozens of protocol capture file formats and understands more than a thousand protocols. Security Fixes: ROHC...

SUSE CVE-2026-9759

ROHC protocol dissector crash in Wireshark 4.6.0 to 4.6.5 and 4.4.0 to 4.4.15 allows denial of service...

UBUNTU-CVE-2026-9759

ROHC protocol dissector crash in Wireshark 4.6.0 to 4.6.5 and 4.4.0 to 4.4.15 allows denial of service...

CVE-2026-9759

ROHC protocol dissector crash in Wireshark 4.6.0 to 4.6.5 and 4.4.0 to 4.4.15 allows denial of service...

EUVD-2026-32629

ROHC protocol dissector crash in Wireshark 4.6.0 to 4.6.5 and 4.4.0 to 4.4.15 allows denial of service...

SUSE CVE-2026-45843

In the Linux kernel, the following vulnerability has been resolved: slip: bound decode reads against the compressed packet length slhcuncompress parses a VJ-compressed TCP header by advancing a pointer through the packet via decode and pull16. Neither helper bounds-checks against isize, and decod...

PT-2026-43676

In the Linux kernel, the following vulnerability has been resolved: slip: reject VJ receive packets on instances with no rstate array slhc init accepts rslots == 0 as a valid configuration, with the documented meaning of 'no receive compression'. In that case the allocation loop in slhc init is...

Wireshark 代码问题漏洞

Wireshark is a set of network packet analysis tools developed by the Wireshark team. The software’s function is to capture network packets and display detailed data for analysis. Versions of Wireshark from 4.6.0 to 4.6.5, as well as 4.4.0 to 4.4.15, have code vulnerabilities that can lead to a...

Astra Linux - уязвимость в nghttp2

nghttp2 is an implementation of the Hypertext Transfer Protocol Version 2 in C. The nghttp2 library prior to version 1.61.0 continued to read an unlimited number of HTTP/2 CONTINUATION frames even after a stream was reset, in order to keep the HPACK context synchronized. This caused excessive CPU...

CVE-2026-43970

Improper Handling of Highly Compressed Data Data Amplification vulnerability in ninenines cowlib allows unauthenticated remote denial of service via memory exhaustion. cowspdy:inflate/2 in cowlib passes peer-supplied compressed bytes directly to zlib:inflate/2 with no output size bound. The SPDY...

Denial Of Service (DoS)

Node.js is vulnerable to Denial of Service DoS. The vulnerability is due to improper handling of malformed HTTP/2 HEADERS frames containing invalid HPACK data, which can trigger an unhandled TLSSocket ECONNRESET error and cause the Node.js process to crash, enabling remote denial of service...

nodejs: Nodejs denial of service

A denial of service flaw has been discovered in NodeJS. A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of...

nodejs: Nodejs denial of service

A denial of service flaw has been discovered in NodeJS. A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of...