Improper Handling of Highly Compressed Data (Data Amplification)
CWE-409
The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output.
We track 98 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 7.7.
Latest Improper Handling of Highly Compressed Data (Data Amplification) vulnerabilities
- 7.5 High severity
undici: Improper Handling of Highly Compressed Data (Data Amplification)
The undici WebSocket client is vulnerable to a denial-of-service attack via unbounded memory consumption during permessage-deflate decompression. When a WebSocket connection negotiates the permessage-deflate extension, the client decompresses incoming compress
- 7.5 High severity
cpp-httplib: Uncontrolled Resource Consumption
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.35.0, cpp-httplib (httplib.h) does not enforce Server::set_payload_max_length() on the decompressed request body when using HandlerWithContentReader (streaming Content
- 9.1 Critical severity
psd-tools: Integer Overflow or Wraparound
psd-tools is a Python package for working with Adobe Photoshop PSD files. Prior to version 1.12.2, when a PSD file contains malformed RLE-compressed image data (e.g. a literal run that extends past the expected row size), decode_rle() raises ValueError which p
- 7.5 High severity
nats-server: Improper Handling of Highly Compressed Data (Data Amplification)
NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. The WebSockets handling of NATS messages handles compressed messages via the WebSockets negotiated compression. Prior to versions 2.11.2 and 2.12.3, the implementat
- 7.5 High severity
guarddog: Improper Handling of Highly Compressed Data (Data Amplification)
GuardDog is a CLI tool to identify malicious PyPI packages. Prior to 2.7.1, GuardDog's safe_extract() function does not validate decompressed file sizes when extracting ZIP archives (wheels, eggs), allowing attackers to cause denial of service through zip bomb
- 7.5 High severity
cpp-httplib: Improper Handling of Highly Compressed Data (Data Amplification)
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service (DoS) vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies (Content-Encoding: gzip, br, e
- 7.5 High severity
urllib3: Improper Handling of Highly Compressed Data (Data Amplification)
urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decodin
- 7.5 High severity
aiohttp: Improper Handling of Highly Compressed Data (Data Amplification)
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below allow a zip bomb to be used to execute a DoS against the AIOHTTP server. An attacker may be able to send a compressed request that when decompressed by AI
- 7.5 High severity
Turms: Improper Handling of Highly Compressed Data (Data Amplification)
Turms AI-Serving module v0.10.0-SNAPSHOT and earlier contains an image decompression bomb denial of service vulnerability. The ExtendedOpenCVImage class in ai/djl/opencv/ExtendedOpenCVImage.java loads images using OpenCV's imread() function without validating
- 7.5 High severity
urllib3: Improper Handling of Highly Compressed Data (Data Amplification)
urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.0 and prior to 2.6.0, the Streaming API improperly handles highly compressed data. urllib3's streaming API is designed for the efficient handling of large HTTP responses by readin
- 7.5 High severity
pypdf: Improper Handling of Highly Compressed Data (Data Amplification)
pypdf is a free and open-source pure-python PDF library. Prior to version 6.1.3, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream of a page using the LZWDecode filter. This has
- 7.5 High severity
netty: Improper Handling of Highly Compressed Data (Data Amplification)
Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In netty-codec-compression versions 4.1.124.Final and below, and netty-codec versions 4.2.4.Final and below,
- 7.5 High severity
h2oai/h2o-3: Improper Handling of Highly Compressed Data (Data Amplification)
In h2oai/h2o-3 version 3.46.0.2, a vulnerability exists where uploading and repeatedly parsing a large GZIP file can cause a denial of service. The server becomes unresponsive due to memory exhaustion and a large number of concurrent slow-running jobs. This is
- 7.5 High severity
ollama/ollama: Improper Handling of Highly Compressed Data (Data Amplification)
An Out-Of-Memory (OOM) vulnerability exists in the `ollama` server version 0.3.14. This vulnerability can be triggered when a malicious API server responds with a gzip bomb HTTP response, leading to the `ollama` server crashing. The vulnerability is present in
- 7.5 High severity
kin-openapi: Improper Handling of Highly Compressed Data (Data Amplification)
kin-openapi is a Go project for handling OpenAPI files. Prior to 0.131.0, when validating a request with a multipart/form-data schema, if the OpenAPI schema allows it, an attacker can upload a crafted ZIP file (e.g., a ZIP bomb), causing the server to consume
- 7.5 High severity
scrapy/scrapy: Improper Handling of Highly Compressed Data (Data Amplification)
The scrapy/scrapy project is vulnerable to XML External Entity (XXE) attacks due to the use of lxml.etree.fromstring for parsing untrusted XML data without proper validation. This vulnerability allows attackers to perform denial of service attacks, access loca
- 7.5 High severity
router: Improper Handling of Highly Compressed Data (Data Amplification)
The Apollo Router is a graph router written in Rust to run a federated supergraph that uses Apollo Federation. Versions 0.9.5 until 1.40.2 are subject to a Denial-of-Service (DoS) type vulnerability. When receiving compressed HTTP payloads, affected versions o
- 7.5 High severity
envoy: Uncontrolled Resource Consumption
Envoy is a cloud-native high-performance proxy. In versions prior to 1.22.1 secompressors accumulate decompressed data into an intermediate buffer before overwriting the body in the decode/encodeBody. This may allow an attacker to zip bomb the decompressor by