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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High 7.5
Kyverno 1.11.0 before 1.19.2 Memory Exhaustion via Notary Signature Decompression
Kyverno from 1.11.0 before 1.19.2 contains an unbounded decompression vulnerability in FetchSignatureBlob that allows attackers to exhaust memory by supplying highly compressed notary signature layers. Attackers who control registry referrers or signatures ca…
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High 7.5
Kyverno from 1.11.0 before 1.19.2 Memory Exhaustion via Notary Attestation Decompression
Kyverno from 1.11.0 before 1.19.2 contains an unbounded decompression vulnerability in extractStatement that allows remote attackers to exhaust memory by supplying highly compressed attestation layers. Attackers controlling registry referrer artifacts can pus…
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High 7.5
Furl versions before 3.16 for Perl allow memory exhaustion via unbounded decompression of HTTP responses
Furl versions before 3.16 for Perl allow memory exhaustion via unbounded decompression of HTTP responses. Furl inflates a response body sent with a gzip, x-gzip or deflate Content-Encoding and appends the output to the response string with no size limit. It d…
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High 7.5
Kubeflow Pipelines: Pipeline archive upload allows decompression bomb to exhaust server memory
Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.18.0, the API server decompressed uploaded pipeline archives without adequately bounding expanded data while locating or reading the pipeline file. …
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High 8.2
Echo: Decompress permits unbounded gzip expansion in v4
Echo is a Go web framework. From 4.0.0 until 4.16.1, Echo v4's opt-in Decompress middleware exposes a gzip-decoded request stream without limiting its expanded size. A small compressed request can expand into a very large body when a handler reads or binds it…
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High 7.5
Tanium addressed a compression bomb vulnerability in Enforce.
Tanium addressed a compression bomb vulnerability in Enforce.
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High 8.2
Unbounded response body buffering and decompression in hackney
Allocation of Resources Without Limits or Throttling vulnerability in hackney_conn in benoitc hackney allows a malicious HTTP server to exhaust client memory via an oversized or highly compressed response body. hackney:request/5 and hackney:body/1 return the …
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High 8.7
HTTP/2 cookie crumb join expands a small HPACK header block into an unbounded allocation in Bandit
Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in the HTTP/2 implementation of mtrudel bandit allows an unauthenticated remote attacker to exhaust server memory via a small HPACK-compressed HEADERS block. The block stores one l…
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High 7.5
SmileCDR HAPI FHIR improper data decompression
SmileCDR HAPI FHIR does not properly handle highly compressed data, allowing an unauthenticated attacker to send compressed payloads that exhaust server heap or crash certain services when decompressed.
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High 8.7
Unbounded SAML message decompression in esaml allows memory exhaustion
Improper Handling of Highly Compressed Data (Data Amplification) in esaml_binding in dropbox esaml allows an unauthenticated attacker to exhaust server memory and crash the Erlang VM via a crafted compressed SAMLResponse. esaml_binding:decode_response/2 base6…
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High 7.1
Pillow: Decompression bomb check bypass in SpiderImagePlugin.seek() leads to unbounded allocation DoS
Pillow is a Python imaging library. Prior to 13.0.0, SpiderImageFile.seek() in src/PIL/SpiderImagePlugin.py reparses a later SPIDER stack frame and replaces self._size without rerunning Image._decompression_bomb_check(). A tiny file can use a safe first frame…
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High 7.5
Django REST framework: JSONParser applies an attacker-named codec to the request stream
Django REST framework is a toolkit for building Web APIs. From 3.6.4 until 3.18.2, JSONParser.parse in rest_framework/parsers.py uses the client-supplied Content-Type charset value with codecs.getreader, which accepts byte-transform codecs such as bz2_codec r…
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High 7.7
Apache CouchDB: Pre-authentication gzip decompression bomb via POST /_session
An unlimited gzip decompression routine in chttpd in Apache CouchDB 3.5.2 and below on all platforms allows any remote client to cause a denial of service via memory exhaustion. Users are recommended to upgrade to version 3.5.3, which fixes this issue.
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High 8.7
Pillow: MSP RLE decoder expands a tiny file into unbounded memory
Pillow is a Python imaging library. From 4.1.0 until 13.0.0, Pillow's MSP RLE decoder can expand a small file into an unbounded in-memory buffer. The decoder writes run-length output to BytesIO without limiting expansion to the declared image size. An attacke…
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High 7.5
Fleet before 4.83.0 Denial of Service via Unbounded Gzip Decompression
Fleet before 4.83.0 contains a denial of service vulnerability that allows unauthenticated attackers to exhaust server memory by sending gzip-compressed request bodies. Attackers can send small, highly compressed requests with Content-Encoding: gzip to unauth…
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High 8.7
In Eclipse Vert.x versions [4.0.0, 4.5.34] or [5.0.0,5.0.12] or [5.1.0,5.1.9] or [5.2.0, 5.2.0], a gRPC endpoint does h…
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High 8.2
OmniFaces: Forged combined-resource IDs and related output/push boundaries
OmniFaces is a utility library for Faces. In OmniFaces versions before 1.14.3, 2.7.33, 3.14.23, 4.7.12, and 5.4.2, CombinedResourceHandler accepts a structurally valid deflated and base64 encoded combined resource ID without verifying that the server issued i…
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High 8.7
Network messaging layer decompression resource exhaustion
The network messaging layer contained improper handling of highly compressed data affecting service availability. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including CommServe server, Web Server, Command C…
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High 7.5
Gumlet php-image-resize before 3.0.1 Denial of Service via Decompression Bombs
Gumlet php-image-resize before 3.0.1 contains a denial of service vulnerability because the ImageResize constructor in lib/ImageResize.php passes images to GD imagecreatefrom* functions without pixel limits. Remote attackers can upload small, highly compresse…
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High 7.5
SGLang through 0.5.21 Decompression Bomb DoS via NanoNemotronVLImageProcessor
SGLang through 0.5.21 contains a denial of service vulnerability that disables Pillow decompression bomb protection process-wide by setting Image.MAX_IMAGE_PIXELS to None in NanoNemotronVLImageProcessor. Remote attackers can submit small, highly compressed im…
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High 7.5
SGLang through 0.5.21 Audio Decompression Amplification via load_audio
SGLang through 0.5.21 contains a decompression amplification vulnerability in load_audio that allows remote attackers to exhaust memory by submitting highly compressed audio decoded without duration or sample limits. Attackers can supply small FLAC-encoded si…
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High 7.5
Apache CXF: Unbounded DEFLATE Decompression in CXF JOSE/JWE and SAML Processing (Decompression Bomb)
CompressionUtils.inflate() decompressed attacker-controlled DEFLATE data with no output-size cap. A small (~KB) crafted payload could expand to gigabytes on the heap. Reachable via JWE decryption when zip=DEF (e.g. JoseSessionTokenProvider with RSA-OAEP key w…
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High 7.5
AsyncHttpClient: Unbounded WebSocket permessage-deflate decompression enables a decompression-bomb denial of service when compression is enabled
The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.2.0 until 3.0.14, WebSocket permessage-deflate decompression is unbounded when compression is enabled. The inbound pip…
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High 7.5
Praxis affected by HTTP/2 Bomb
### Summary Multiple denial-of-service vulnerabilities have been discovered in HTTP/2 server implementations. All have been rated with a severity impact of [Important](https://access.redhat.com/security/updates/classification). The vulnerabilities target HPAC…
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High 8.2
Apache Thrift: Go `THeaderTransport` does not bound the inflated size of a ZLIB frame
Improper handling of highly compressed data (data amplification) vulnerability in Apache Thrift Go bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
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High 8.2
Apache Thrift: Python `TZlibTransport` stops enforcing its decompressed-size limit once the limit is exactly used up
Improper handling of highly compressed data (data amplification), Function call with incorrectly specified arguments, Improper validation of specified quantity in input vulnerability in Apache Thrift py bindings. This issue affects Apache Thrift: before 0.25.…
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High —
devalue: Repeated primitive strings cause quadratic expansion in uneval
Under very constrained circumstances, data that was `parse`d and then passed to `uneval` could turn a small payload into a very large serialized string.
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High 7.5
Tornado before 6.5.9 Denial of Service via CurlAsyncHTTPClient
Tornado versions before 6.5.9 contain an unbounded memory accumulation vulnerability in CurlAsyncHTTPClient that allows remote attackers to cause denial of service by sending a compressed response. Attackers can send a gzip-encoded decompression bomb that acc…
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High 8.7
Fireware OS Resource Exhaustion in Login Process Allows Denial of Service
An uncontrolled resource consumption vulnerability in the Fireware OS login process (wgagent) allows a remote, unauthenticated attacker to cause a denial of service by sending a specially crafted request.
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High 8.7
Nicotine+: Decompression of peer messages can exhaust available memory
Nicotine+ is a graphical client for the Soulseek peer-to-peer network. Prior to version 3.3.11, a modified remote client can send zlib-compressed peer messages containing a decompression bomb, exhausting available memory of the recipient's operating system. T…
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High 8.2
RabbitMQ: Web-MQTT decompression bomb
RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, The cowboy WebSocket options at line 117 set compress => true, enabling RFC 7692 permessage-deflate negotiation. The handler does not set max_frame_size…
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High 7.5
Netdata: WebSocket Decompression Bomb
Netdata is an open source observability tool. Prior to 2.11.0, Netdata's unauthenticated WebSocket server negotiates permessage-deflate before authentication, and src/web/websocket/websocket-compression.c allows websocket_client_decompress_message() to grow d…
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High 8.7
Vector: Unauthenticated denial of service in the `logstash` source via nested compressed frames (stack exhaustion and decompression amplification).
Vector is a high-performance observability data pipeline. From 0.15.0 until 0.57.0, the logstash source feeds each decompressed frame back into its decoder without limiting nested compression depth. An unauthenticated remote peer that can reach the default 0.…
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High 7.5
Apache MINA: Unbounded Decompression Amplification DoS in Zlib.inflate
The CompressionFilter class uses ZLib to deflate and inflate data sent and received. When we inflate incoming data, the filter does not control the resulting size, and create a buffer no matter what. Some compressed data may have a compression ration greater …
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High 7.5
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 bomb…
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High 7.5
libheif: brotli/zlib decompression paths lack output-size limits, allowing decompression-bomb OOM/DoS
libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.2, crafted HEIF or AVIF mime metadata and unci image data can cause decompress_brotli() and do_inflate() to grow accumulated output without an effective size limit or MemoryHan…
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High 7.5
Resteasy-core: resteasy: iioimageprovider unbounded image decode (decompression-bomb dos)
A flaw was found in RESTEasy's IIOImageProvider, which decodes attacker-supplied image request bodies without enforcing any limit on the declared image dimensions or pixel count. A remote, unauthenticated attacker can send a small crafted image declaring enor…
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High 7.5CVE-2026-85721 Public exploit
AsyncHttpClient: Unbounded HTTP/1.1 response decompression enables a decompression-bomb denial of service
The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.0.0 until 2.16.1 and 3.0.12, automatic response decompression on the HTTP/1.1 path uses ChannelManager.newHttpContentD…
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High 7.5
Apache NiFi: Improper Handling of Case Sensitivity for Content-Encoding in HTTP Requests
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 instance…
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High 7.5
HAPI FHIR: SHCParser unbounded DEFLATE decompression causes denial of service
HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to version 6.9.12, SHCParser in org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/SHCParser.java can consume attacker-controlled Smart Heal…