CVE-2026-78206: Improper Handling of Highly Compressed Data (Data Amplification)

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-2026-53524: Improper Handling of Highly Compressed Data (Data Amplification)

WeeChat Wee Enhanced Environment for Chat is a free chat client. In versions 4.3.0 through 4.9.0, the WeeChat relay module's WebSocket permessage-deflate decompression function relaywebsocketinflate has no upper bound on output size. An authenticated relay user can send a small compressed WebSock...

Improper Handling of Highly Compressed Data (Data Amplification)

Overview Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification via the UnZipTransformer process. An attacker can exhaust system memory and cause service outages by submitting specially crafted zip archives with excessive decompressed...

Improper Handling of Highly Compressed Data (Data Amplification)

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification in the extract process. An attacker can cause resource exhaustion by submitting...

CVE-2026-61690: Improper Handling of Highly Compressed Data (Data Amplification)

Grav is a file-based Web platform. Prior to 2.0.1, Grav ZipArchiver::extract in system/src/Grav/Common/Filesystem/ZipArchiver.php passes archives to ZipArchive::extractTo without enforcing the system.gpm.archive uncompressed-size, file-count, or nesting-depth limits. Code using...

CVE-2026-75476: Improper Handling of Highly Compressed Data (Data Amplification)

Tanium addressed a compression bomb vulnerability in Threat Response...

CVE-2026-11617: Improper Handling of Highly Compressed Data (Data Amplification)

Tanium addressed a compression bomb vulnerability in Findings...

CVE-2026-19671 Improper handling of highly compressed data (data amplification) in CISA 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 is a single-stream compressed format .gz,...

CVE-2026-19671

Malcolm's safe-extract.py enforces decompression limits only on container archives (zip/tar/rar/7z) but not on single-stream formats (.gz/.xz/.lzma/.lz). An authenticated user can upload a small gzip bomb that decompresses unboundedly, exhausting the shared Docker volume used by OpenSearch, Logst...

CVE-2026-19671 Improper handling of highly compressed data (data amplification) in CISA 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 is a single-stream compressed format .gz,...

CVE-2026-75936: Improper Handling of Highly Compressed Data (Data Amplification)

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 remediate this issue,...

CVE-2026-19671: Improper Handling of Highly Compressed Data (Data Amplification)

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 is a single-stream compressed format .gz,...

Improper Handling of Highly Compressed Data (Data Amplification)

Overview Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification through the Body.gunzipped and Body.gunzippedStream paths in core/core/src/main/kotlin/org/http4k/filter/Gzip.kt and the RequestFilters.GunZip request filter in...

thrift: org.apache.thrift/libthrift: github.com/apache/thrift: Apache Thrift: Denial of Service via improper handling of highly compressed data

A flaw was found in Apache Thrift. This vulnerability, categorized as improper handling of highly compressed data also known as data amplification, allows a remote attacker to cause a Denial of Service DoS by sending specially crafted, highly compressed data. The affected component fails to...

CVE-2026-14298: Improper Handling of Highly Compressed Data (Data Amplification)

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 decompressed content size and enforce the configured maximum file size in the Boards archive import handler, which allows an authenticated user to cause memory exhaustion or unbounded disk...

CVE-2026-73232: Improper Handling of Highly Compressed Data (Data Amplification)

ffuf is a fast web fuzzer written in Go. Prior to 2.2.0, ffuf allows a malicious target server to cause an out-of-memory denial of service because the response size guard in pkg/runner/simple.go checks only the compressed Content-Length while io.ReadAll reads gzip, brotli, deflate, transparently...

thrift: Apache Thrift Python bindings: Denial of Service via data amplification

A flaw was found in Apache Thrift Python bindings. This vulnerability involves the improper handling of highly compressed data, leading to a data amplification issue. An attacker could exploit this by providing specially crafted compressed input, which may cause the application to consume excessi...

thrift: Apache Thrift Ruby bindings: Denial of Service via improper handling of highly compressed data

A flaw was found in Apache Thrift Ruby bindings. This vulnerability, categorized as improper handling of highly compressed data, allows a remote attacker to cause a denial of service DoS through a data amplification attack. By sending specially crafted highly compressed data, an attacker can...

CVE-2026-68981: Improper Handling of Highly Compressed Data (Data Amplification)

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 to send crafted...

SUSE CVE-2026-48586

Improper Handling of Highly Compressed Data Data Amplification vulnerability in Apache Thrift C++, Java, Python, Go, D, C/GLib bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue...