CWE-409
Improper Handling of Highly Compressed Data (Data Amplification)
Description
The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output.
Hierarchy (View 1000)
Parents
Children
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CVEs mapped to this weakness (136)
page 1 of 7| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2025-53633 | Cri | 0.57 | 9.8 | 0.00 | Jul 10, 2025 | Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. When decoding a scenario (i.e. a zip archive), the size of the decoded content is not checked, potentially leading to zip bombs decompression. Exploitation does not require authentication… | ||
| CVE-2026-27809 | Cri | 0.52 | 9.1 | 0.01 | Feb 26, 2026 | 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 propagated all the… | ||
| CVE-2026-55195 | Hig | 0.50 | — | 0.00 | Jul 8, 2026 | py7zr is a Python-based library and utility to support 7zip archive compression, decompression, encryption and decryption. Prior to 1.1.3, py7zr's Worker.decompress() extracted archive entries without tracking total decompressed size, allowing a crafted .7z file such as a 15.6… | ||
| CVE-2026-53430 | Hig | 0.50 | — | 0.01 | Jun 15, 2026 | Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in elixir-grpc grpc (GRPC.Compressor.Gzip, GRPC.Message modules) allows a denial of service via a gzip decompression bomb. This vulnerability is associated with program files… | ||
| CVE-2026-70469 | Hig | 0.49 | 7.5 | 0.01 | Sep 16, 2026 | Apache NiFi 2.11.0 disabled support for gzip-encoded HTTP requests for the application REST API and rejected requests that included the standard Content-Encoding header indicating gzip encoding. The framework enforcement filter did not check multiple instances of the… | ||
| CVE-2026-78206 | Hig | 0.49 | 7.5 | 0.01 | Aug 24, 2026 | 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… | ||
| CVE-2026-75936 | Hig | 0.49 | 7.5 | 0.01 | Aug 18, 2026 | Improper handling of highly compressed data in the GZIP auto-decompression handler in Amazon ion-java before 1.12.0 might allow remote actors to cause a denial of service via a crafted compressed Ion document that expands to an arbitrarily large size upon decompression. To… | ||
| CVE-2026-68981 | Hig | 0.49 | 7.5 | 0.01 | Aug 3, 2026 | Apache NiFi 1.5.0 through 2.10.0 support gzip-encoded HTTP requests for the application REST API using a Jersey encoding filter. The framework enforced a configurable maximum request size on the compressed payload rather than the decompressed output, allowing a malicious client… | ||
| CVE-2026-54314 | Hig | 0.49 | 7.5 | 0.01 | Jun 23, 2026 | n8n is an open source workflow automation platform. Prior to 2.24.0, the Compression node's Decompress operation expanded attacker-controlled archives into memory without enforcing limits on decompressed output size. An unauthenticated attacker could send a small compressed… | ||
| CVE-2026-48510 | Hig | 0.49 | 7.5 | 0.00 | Jun 22, 2026 | MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, when MessagePack-CSharp decompresses Lz4Block or Lz4BlockArray payloads, it reads declared uncompressed lengths from the wire and allocates output buffers based on those lengths before validating… | ||
| CVE-2026-48502 | Hig | 0.49 | 7.5 | 0.00 | Jun 22, 2026 | MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, MessagePackReader.ReadDateTime() can allocate stack memory based on an attacker-controlled MessagePack extension length. In the slow path for timestamp extension parsing, the computed tokenSize… | ||
| CVE-2026-47774 | Hig | 0.49 | 7.5 | 0.01 | Jun 17, 2026 | Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.35.11, 1.36.7, 1.37.3, and 1.38.1, a vulnerability in Envoy's HTTP/2 downstream request processing allows an unauthenticated remote client to trigger excessive memory… | ||
| CVE-2026-44697 | Hig | 0.49 | 8.6 | 0.00 | May 29, 2026 | Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.17, a remote, unauthenticated denial-of-service vulnerability in Batch.Decompress (data/batch/batch.go) allows any peer that participates in a topic served by MultiDataInterceptor to allocate… | ||
| CVE-2025-66909 | Hig | 0.49 | 7.5 | 0.01 | Dec 19, 2025 | 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 dimensions or pixel… | ||
| CVE-2024-7765 | Hig | 0.49 | 7.5 | 0.01 | Mar 20, 2025 | 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 issue arises from the… | ||
| CVE-2024-12886 | Hig | 0.49 | 7.5 | 0.01 | Mar 20, 2025 | 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 the… | ||
| CVE-2024-43499 | Hig | 0.49 | 7.5 | 0.03 | Nov 12, 2024 | .NET and Visual Studio Denial of Service Vulnerability | ||
| CVE-2026-79695 | Hig | 0.47 | 7.3 | 0.00 | Sep 9, 2026 | Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Handling of Highly Compressed Data (Data Amplification) vulnerability. An unauthenticated attacker with remote access could potentially exploit… | ||
| CVE-2026-54556 | Hig | 0.46 | — | 0.01 | Aug 26, 2026 | Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, an unauthenticated HTTP/2 peer can cause an out-of-memory denial of service in the Ember backend with HTTP/2 enabled. The Hpack wrapper in ember-core/shared/src/main/scala/org/http4s/ember/core/h2/Hpac… | ||
| CVE-2026-44981 | Hig | 0.46 | — | 0.01 | Jul 16, 2026 | CrowdSec offers crowdsourced protection against malicious IPs. From 1.7.0 until 1.7.8, the LAPI router used gin-contrib/gzip with DefaultDecompressHandle globally in pkg/apiserver/controllers/controller.go, causing /v1/watchers and /v1/watchers/login to decompress… |
- risk 0.57cvss 9.8epss 0.00
Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. When decoding a scenario (i.e. a zip archive), the size of the decoded content is not checked, potentially leading to zip bombs decompression. Exploitation does not require authentication…
- risk 0.52cvss 9.1epss 0.01
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 propagated all the…
- risk 0.50cvss —epss 0.00
py7zr is a Python-based library and utility to support 7zip archive compression, decompression, encryption and decryption. Prior to 1.1.3, py7zr's Worker.decompress() extracted archive entries without tracking total decompressed size, allowing a crafted .7z file such as a 15.6…
- risk 0.50cvss —epss 0.01
Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in elixir-grpc grpc (GRPC.Compressor.Gzip, GRPC.Message modules) allows a denial of service via a gzip decompression bomb. This vulnerability is associated with program files…
- risk 0.49cvss 7.5epss 0.01
Apache NiFi 2.11.0 disabled support for gzip-encoded HTTP requests for the application REST API and rejected requests that included the standard Content-Encoding header indicating gzip encoding. The framework enforcement filter did not check multiple instances of the…
- risk 0.49cvss 7.5epss 0.01
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…
- risk 0.49cvss 7.5epss 0.01
Improper handling of highly compressed data in the GZIP auto-decompression handler in Amazon ion-java before 1.12.0 might allow remote actors to cause a denial of service via a crafted compressed Ion document that expands to an arbitrarily large size upon decompression. To…
- risk 0.49cvss 7.5epss 0.01
Apache NiFi 1.5.0 through 2.10.0 support gzip-encoded HTTP requests for the application REST API using a Jersey encoding filter. The framework enforced a configurable maximum request size on the compressed payload rather than the decompressed output, allowing a malicious client…
- risk 0.49cvss 7.5epss 0.01
n8n is an open source workflow automation platform. Prior to 2.24.0, the Compression node's Decompress operation expanded attacker-controlled archives into memory without enforcing limits on decompressed output size. An unauthenticated attacker could send a small compressed…
- risk 0.49cvss 7.5epss 0.00
MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, when MessagePack-CSharp decompresses Lz4Block or Lz4BlockArray payloads, it reads declared uncompressed lengths from the wire and allocates output buffers based on those lengths before validating…
- risk 0.49cvss 7.5epss 0.00
MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, MessagePackReader.ReadDateTime() can allocate stack memory based on an attacker-controlled MessagePack extension length. In the slow path for timestamp extension parsing, the computed tokenSize…
- risk 0.49cvss 7.5epss 0.01
Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.35.11, 1.36.7, 1.37.3, and 1.38.1, a vulnerability in Envoy's HTTP/2 downstream request processing allows an unauthenticated remote client to trigger excessive memory…
- risk 0.49cvss 8.6epss 0.00
Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.17, a remote, unauthenticated denial-of-service vulnerability in Batch.Decompress (data/batch/batch.go) allows any peer that participates in a topic served by MultiDataInterceptor to allocate…
- risk 0.49cvss 7.5epss 0.01
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 dimensions or pixel…
- risk 0.49cvss 7.5epss 0.01
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 issue arises from the…
- risk 0.49cvss 7.5epss 0.01
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 the…
- risk 0.49cvss 7.5epss 0.03
.NET and Visual Studio Denial of Service Vulnerability
- risk 0.47cvss 7.3epss 0.00
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Handling of Highly Compressed Data (Data Amplification) vulnerability. An unauthenticated attacker with remote access could potentially exploit…
- risk 0.46cvss —epss 0.01
Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, an unauthenticated HTTP/2 peer can cause an out-of-memory denial of service in the Ember backend with HTTP/2 enabled. The Hpack wrapper in ember-core/shared/src/main/scala/org/http4s/ember/core/h2/Hpac…
- risk 0.46cvss —epss 0.01
CrowdSec offers crowdsourced protection against malicious IPs. From 1.7.0 until 1.7.8, the LAPI router used gin-contrib/gzip with DefaultDecompressHandle globally in pkg/apiserver/controllers/controller.go, causing /v1/watchers and /v1/watchers/login to decompress…