Weakness (CWE)
CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)
The product does not handle or incorrectly
handles a compressed input with a very high compression ratio
that produces a large output.
Source: MITRE CWE-409
98 results · Clear filters · Feed
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Medium 4.9
Authenticated remote denial of service through unbounded zlib decompression in storeAnalysisStatistics
When an operator enables store.analysis_statistics_dir, a network client with PRODUCT_STORE permission for a product can call that product's storeAnalysisStatistics Thrift-over-HTTP method. CodeChecker 6.29.0 decodes the attacker-controlled Base64 string and …
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Medium 6.9
Decompression bomb in ezstd:decompress_using_ddict/2 allows BEAM memory exhaustion via unbounded output buffer
Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in silviucpp ezstd allows an attacker who supplies a zstd frame to ezstd:decompress_using_ddict/2 to exhaust memory and terminate the Erlang VM via a small frame that declares a ve…
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Medium 6.5
Apache Kafka: PushTelemetry (KIP-714) metrics payloads are decompressed without a size limit, allowing a broker out-of-memory denial of service
The broker-side PushTelemetry API (KIP-714) validates only the compressed size of a client's metrics payload against telemetry.max.bytes (default 1 MB) before decompressing it. ClientTelemetryUtils.decompress() then decompresses the payload with no limit on t…
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Medium 5.9
Autobahn Python: permessage-brotli inflates a whole frame before maxMessagePayloadSize is checked (incomplete fix of GHSA-hxp9-w8x3-p566)
Autobahn Python is a WebSocket and WAMP implementation for Python that supports Twisted and asyncio. From 26.7.1 until 26.10.1, PerMessageBrotli.decompress_message_data in compress_brotli.py calls the Brotli decompressor without an output limit and checks max…
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Medium 6.9
Decompression bomb via unbounded zlib:inflate in jose_jwe_zip:uncompress/2
Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in potatosalad jose (erlang-jose) allows a remote attacker to exhaust a node's memory with a small crafted JWE token. The jose_jwe_zip:uncompress/2 function in src/jwe/jose_jwe_zip…
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Medium 6.5
Unbounded memory consumption during PDF text extraction
Mattermost versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7.x <= 11.7.10, 11.10.x <= 11.10.1 fail to bind the volume of text extracted from an uploaded PDF which allows an authenticated user to exhaust server memory and cause a denial of service via a crafte…
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Medium 6.5
vLLM 0.19.0 before 0.24.0 Audio Decompression Bomb DoS via Chat Completions
vLLM from 0.19.0 before 0.24.0 contains a decompression bomb vulnerability because the AudioMediaIO multimodal path calls load_audio without the max_duration_s decoded-duration limit. Authenticated attackers can send small compressed audio via input_audio or …
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Medium 4.3
OpenStack Ironic through 39.0.1 allows a denial of service via a configdrive that results in a very large amount of unc…
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Medium 5.5
Ghidra before 12.2 Denial of Service via Compressed Extension Archive
Ghidra before 12.2 contains an improper handling of highly compressed data vulnerability in ExtensionUtils.unzipToInstallationFolder() that allows attackers to exhaust disk space. Attackers can persuade users to install a crafted zip bomb extension archive th…
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Medium 5.5
Ghidra 10.3 before 12.2 Denial of Service via Compressed Theme Archive
Ghidra 10.3 before 12.2 contains an improper handling of highly compressed data vulnerability in ThemeReader.processIconFile() that fails to limit decompressed size or compression ratio. Attackers can persuade a user to import a crafted theme ZIP whose icon e…
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Medium 6.5
Pillow: Decompression-bomb protection bypass via multi-frame seek() in MPO and DCX (MpoImageFile.seek / DcxImageFile.seek)
Pillow is a Python imaging library. Prior to 13.0.0, MpoImageFile.seek() and DcxImageFile.seek() reparse later MPO or DCX frames and replace self._size without rerunning Image._decompression_bomb_check(). A crafted multi-frame image can use a tiny first frame…
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Medium 6.2
Libmodulemd: libmodulemd: missing decompressed-size limit when parsing compressed yaml
A flaw was found in libmodulemd. In builds with rpmio support enabled, compressed modulemd YAML is decompressed through a custom read handler that does not enforce a cumulative decompressed-size limit before parsing. An attacker who can supply a highly compre…
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Medium 6.5
Junos OS: An authenticated attacker causes a denial of service when the gRPC extension-service is enabled
An Improper Handling of Highly Compressed Data vulnerability in the gRPC library used by na-grpcd of Juniper Networks Junos OS allows an authenticated network-based attacker to cause a denial of service via a compressed gRPC request.
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Medium 5.3
Git Sync memory exhaustion via a malicious Git server
A Git server that Grafana's Git Sync (provisioning) is configured to use can exhaust Grafana's memory by returning oversized or highly compressed responses (uncontrolled resource consumption). Exploitation requires an administrator to have configured Git Sync…
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Medium 6.5
Grav before 2.1.7 Memory Exhaustion via Oversized Image Transforms
Grav before 2.1.7 contains a denial of service vulnerability that allows authenticated media authors to exhaust memory by uploading compressed oversized raster images. Attackers can reference a Twig or Markdown transform so GD or Imagick decodes the full sour…
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Medium 6.5
Open WebUI 0.6.42 before 0.11.4 Memory Exhaustion via Compressed Remote Image
Open WebUI from 0.6.42 before 0.11.4 contains an uncontrolled resource consumption vulnerability that allows authenticated users to exhaust server memory by supplying compressed remote image URLs in chat messages. Attackers can point the image field at a host…
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Medium 4.3
OpenDocMan 2.4.0 through 2.10.0 Decompression Bomb DoS via Upload Text Extraction
OpenDocMan 2.4.0 through 2.10.0 contains a decompression bomb vulnerability that allows authenticated users to exhaust PHP memory by uploading crafted office documents. Attackers can upload a small ODT, DOCX, or XLSX file whose XML entries decompress to hundr…
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Medium 6.5
Improper Handling of Highly Compressed Data in Malcolm
Malcolm's upload-processing pipeline (scripts/safe-extract.py) enforces entry-count, nesting-depth, and total-uncompressed-byte limits when extracting container archives (zip/tar/rar/7z via libarchive), but those limits are not applied when the uploaded file …
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Medium 5.3
ImageMagick: Policy Bypass in MAT decoder when reading highly compressed data
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-30 and 6.9.13-55, a crafted highly compressed MAT image can make the MAT decoder create temporary files larger than the configured security-policy li…
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Medium 6.5
In sshd and ssh in OpenSSH before 10.6, there is no check for whether the maximum packet length is exceeded during deco…
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Medium 4.3
Docling: METS-GBS archive member limit enforced after full member enumeration (memory exhaustion during format detection)
Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.45.0 until 2.131.0, METS-GBS format detection in docling/datamodel/document.py and the backend in docling/backend/mets_gbs_ba…
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Medium 6.9
Apache Thrift: C++ THeaderTransport does not enforce configured maxFrameSize
Allocation of Resources Without Limits or Throttling, Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift C++ bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.…
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Medium 6.5
Apache Qpid Broker-J: Uncontrolled resource consumption during AMQP delivery decompression, message conversion and HTTP management JSON rendering
Improper handling of compressed data in the shared GZIP decompressor used for AMQP 0-8/0-9/0-9-1 and AMQP 0-10 message delivery, message conversion and HTTP management JSON rendering allows authenticated message producers to exhaust memory and disrupt broker …
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Medium 6.5
Docmost: Unbounded ZIP decompression (zip-bomb) in page import allows denial of service
Docmost is open-source collaborative wiki and documentation software. From 0.21.0 until 0.95.0, any authenticated workspace member with edit rights to a space can upload an archive to the page-import feature whose ZIP extraction routine does not limit total u…
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Medium 5.3
Missing decompression size limit in agent receiver allows memory exhaustion via push agent data
Improper handling of highly compressed data (data amplification) in Checkmk <2.5.0p14, <2.4.0p37, <2.3.0p51 and 2.2.0 (EOL) allows an attacker who controls a host registered for push mode to exhaust the memory of the agent receiver by sending a small zlib com…
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Medium 5.3
Autobahn Python permessage-deflate bypasses maxMessagePayloadSize after inflation
Autobahn Python is a WebSocket and WAMP implementation for Python that supports Twisted and asyncio. Prior to 26.7.1, WebSocket endpoints that accept permessage-deflate and rely on maxMessagePayloadSize enforce that limit against the compressed frame length b…
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Medium 5.3
fluent-plugin-opentelemetry: Denial of Service (DoS) via Large Payloads and Decompression Bombs in `in_opentelemetry`
fluent-plugin-opentelemetry is a Fluentd input and output plugin for forwarding OpenTelemetry Protocol data. Prior to 0.5.3, the in_opentelemetry HTTP input read the entire incoming request body and decompressed payloads into memory without enforcing maximum …
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Medium 6.5
Vikunja before 2.6.0 Denial of Service via Decompression Bomb
Vikunja before 2.6.0 fails to limit archive expansion during data import, allowing authenticated users to cause denial of service. Attackers can upload highly compressed files that expand to tens of gigabytes in memory and disk, exhausting server resources an…
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Medium 6.5
Unbounded zlib decompression in Calls SDP WebSocket messages
Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to limit size of unpacked SDP messages compressed with zlib, which allows attacker to deny service or crash server via sending many SDP messages that unpack to …
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Medium 6.5
Uploading a crafted image causes excessive memory allocation in the Mattermost Server
Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to limit the amount of memory allocated when decoding uploaded image files which allows an authenticated user to cause excessive server memory consumption and p…
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Medium 4.3
Publishing limits the compressed size of a VSIX (ovsx.publishing.max-content-size, 512 MB by default) but nothing limit…
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Medium 6.5
vLLM before 0.28.0 Denial of Service via Audio Header
vLLM versions before 0.28.0 fail to validate audio sample rate headers in the transcription endpoint, allowing authenticated clients to bypass duration checks. Attackers can submit forged FLAC headers with inflated sample rates to trigger excessive memory all…
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Medium 5.9
ASP.NET Core Denial of Service Vulnerability
Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.
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Medium 4.9
Improper Handling of Highly Compressed Data in APM Server Leading to Persistent Denial of Service
Improper Handling of Highly Compressed Data (CWE-409) in APM Server can lead to a persistent denial of service via Excessive Allocation (CAPEC-130). An authenticated user with write access to source map content could store specially crafted, highly compressed…
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Medium 6.5
Improper Handling of Highly Compressed Data in Kibana Leading to Denial of Service
Improper Handling of Highly Compressed Data (CWE-409) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user holding Streams management privileges could supply specially crafted content that expands to a far larg…
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Medium 5.9
MySQL2: Unbounded zlib inflate in compressed MySQL protocol handler allows decompression-bomb DoS
## Vulnerability Details **File**: `lib/compressed_protocol.js` **Line**: 43 (`zlib.inflate(body, (err, data) => { ... })` inside `handleCompressedPacket`) ### Root Cause When a connection is created with `compress: true` (and the server advertises `CLIENT_CO…
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Medium 6.5
pdfme pdf-lib before 5.5.10 Denial of Service via Decompression Bomb
pdfme pdf-lib versions before 5.5.10 contain an unbounded buffer growth vulnerability in the DecodeStream.ensureBuffer() method that allows attackers to cause denial of service by supplying a crafted PDF with a FlateDecode stream containing a decompression bo…
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Medium 5.5
Authenticated Remote Denial of Service via Unbounded zlib Decompression in massStoreRun
CodeChecker's massStoreRun processing path performs one-shot decompression of attacker-controlled, Base64-encoded zlib data without enforcing a maximum decompressed size. An authenticated user with permission to store analysis runs can submit a highly compres…
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Medium 6.5
Unbounded decompression in UnZipTransformer enables zip-bomb DoS
The UnZipTransformer does not limit decompressed entry size or entry count when processing archives. Consequently, an attacker can send a zip archive that can exhaust JVM heap memory, causing a denial-of-service outage. Spring Integration 7.1.0 Spring Integra…
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Medium 6.5
LeafWiki 0.10.0 through 0.12.0 Uncontrolled Resource Consumption via Unbounded ZIP Extraction
LeafWiki extracts an uploaded ZIP archive without limiting how much data it will write. ZipExtractor.ExtractToDir in internal/importer/zip_extractor.go opens each entry and copies it to the destination with io.Copy, which runs to the end of the decompressed s…