POC-CVE-2026-49975

-red CVE-2026-49975 HTTP/2 Bomb — HPACK Compression Bomb + Flow-Control Hold PoC Security Research PoC by naheeju ⚠️ This is a working, memory-exhaustion DoS tool — not a toy. It opens streams that force the target to allocate memory and holds them open via HTTP/2 flow-control tricks. As long as...

CVE-2026-49975

CVE-2026-49975 HTTP/2 Bomb PoC HTTP/2 Remote Denial of Service Vulnerability Replication Tool Vulnerability Overview CVE-2026-49975 is an HTTP/2 denial of service vulnerability affecting major web servers. The vulnerability was discovered by security company Calif using OpenAI Codex in early June...

DEBIAN-CVE-2026-63452

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 8.0.0 until 8.0.6, the HTTP/1 parser limits decompression work per transaction but does not limit how many small brotli compression bombs a single flow can submit. With...

CVE-2026-63452 Suricata http1: repeated brotli compression bombs can cause excessive CPU consumption

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 8.0.0 until 8.0.6, the HTTP/1 parser limits decompression work per transaction but does not limit how many small brotli compression bombs a single flow can submit. With...

undici: undici: Denial of Service via unbounded decompression of compressed responses

A flaw was found in undici. The decompress interceptor in undici processes compressed response bodies based on the untrusted Content-Encoding header. A remote attacker can exploit this by sending a small, specially crafted compressed payload, known as a 'compression bomb,' which expands...

MGASA-2026-0382 Updated tor packages fix security vulnerabilities

An out-of-bounds write when parsing a consensus or detached signature with unexpected signature digest type CVE-2026-77642. A NULL write after free when sending a CONFLUXSWITCH cell fails, resulting in a crash CVE-2026-77641. An infinite loop when decompressing a truncated zlib/gzip stream with...

Updated tor packages fix security vulnerabilities

An out-of-bounds write when parsing a consensus or detached signature with unexpected signature digest type CVE-2026-77642. A NULL write after free when sending a CONFLUXSWITCH cell fails, resulting in a crash CVE-2026-77641. An infinite loop when decompressing a truncated zlib/gzip stream with...

CVE-2026-84890

A flaw was found in undici. The decompress interceptor in undici processes compressed response bodies based on the untrusted Content-Encoding header. A remote attacker can exploit this by sending a small, specially crafted compressed payload, known as a 'compression bomb,' which expands...

CVE-2026-84890

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

DEBIAN-CVE-2026-84890

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

CVE-2026-84890 undici vulnerable to Denial of Service via unbounded decompression of compressed responses

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

CVE-2026-84890

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

CVE-2026-84890 undici vulnerable to Denial of Service via unbounded decompression of compressed responses

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

CVE-2026-84890

undici , the Node.js HTTP client, is vulnerable to a denial of service via unbounded decompression of compressed responses. The decompress interceptor processes response bodies based on the untrusted Content-Encoding header. Although the number of encoding layers is capped, the total decompressed...

PT-2026-86206

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

CVE-2026-78206

exceljs through 4.4.0 decompresses all entries from supplied xlsx archives into memory without limits on entry size, total size, or compression ratio. Attackers can upload highly compressed workbooks that expand to gigabytes in memory, exhausting available resources and causing denial of service...

CVE-2026-77639

A flaw was found in Tor. A remote attacker could exploit a compression bomb bypass vulnerability by concatenating multiple gzip or zlib sub-streams. Each sub-stream, individually below the detection threshold, could collectively bypass the compression bomb check, leading to a Denial of Service Do...

Linux Distros Unpatched Vulnerability : CVE-2026-77639

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Tor before 0.4.9.9 was prone to a compression bomb bypass where an attacker could concatenate many gzip or zlib sub-streams, each just under the per-stream...

CVE-2026-77639

Tor before 0.4.9.9 was prone to a compression bomb bypass where an attacker could concatenate many gzip or zlib sub-streams, each just under the per-stream detection threshold, to avoid the compression bomb check entirely. This is TROVE-2026-022...

DEBIAN-CVE-2026-77639

Tor before 0.4.9.9 was prone to a compression bomb bypass where an attacker could concatenate many gzip or zlib sub-streams, each just under the per-stream detection threshold, to avoid the compression bomb check entirely. This is TROVE-2026-022...