Common Weakness Enumeration
CWE-409
AllowedImproper Handling of Highly Compressed Data (Data Amplification)
Abstraction: Base · Status: Incomplete
The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output.
223 vulnerabilities reference this CWE, most recent first.
CVE-2026-75936 (GCVE-0-2026-75936)
Vulnerability from cvelistv5 – Published: 2026-08-18 19:34 – Updated: 2026-08-19 13:07
VLAI
EPSS
VEX
Title
Memory-amplification denial of service via GZIP decompression bomb in Amazon ion-java
Summary
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, users should upgrade to version 1.12.0 and configure withGzipDecompressionEnabled(false) and/or set an explicit withMaximumBufferSize() when parsing untrusted input.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-19 13:07 UTC
CWE
- CWE-409 - (Improper Handling of Highly Compressed Data)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/amazon-ion/ion-java/releases/t… | patch |
| https://github.com/amazon-ion/ion-java/security/a… | third-party-advisory |
| https://aws.amazon.com/security/security-bulletin… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Amazon Ion | Amazon Ion Java |
Affected:
0 , < 1.12.0
(custom)
cpe:2.3:a:amazon_ion:amazon_ion_java:*:*:*:*:*:*:*:* |
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CVE-2026-75476 (GCVE-0-2026-75476)
Vulnerability from cvelistv5 – Published: 2026-08-19 21:05 – Updated: 2026-08-20 15:26
VLAI
EPSS
VEX
Title
Tanium addressed a compression bomb vulnerability in Threat Response.
Summary
Tanium addressed a compression bomb vulnerability in Threat Response.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 15:15 UTC
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Tanium | Threat Response |
Affected:
4.9 , < 4.9.437
(custom)
Affected: 4.12 , < 4.12.308 (custom) Affected: 4.17 , < 4.17.277 (custom) |
Date Public
2026-08-19 21:04
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CVE-2026-74046 (GCVE-0-2026-74046)
Vulnerability from cvelistv5 – Published: 2026-08-18 17:27 – Updated: 2026-08-18 19:27
VLAI
EPSS
VEX
Title
Wazuh 4.4.0 < 4.14.7 DoS via fdecompress_files() Zip Bomb
Summary
Wazuh 4.4.0 before 4.14.7 contains a denial of service vulnerability in the fdecompress_files() function within cluster.py that allows authenticated cluster peers to exhaust memory by supplying a malicious synchronization archive without decompressed size limits. Attackers holding a valid cluster Fernet key can upload a small, highly compressed zip bomb archive that forces wazuh-clusterd on the master node to decompress the full payload into memory, causing memory exhaustion and service disruption.
Severity
4.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 19:26 UTC
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | vendor-advisory |
| https://github.com/wazuh/wazuh/pull/37119 | patch |
| https://www.vulncheck.com/advisories/wazuh-dos-vi… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wazuh | wazuh-manager |
Affected:
4.4.0 , < 4.14.7
(semver)
|
Date Public
2026-08-18 00:00
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CVE-2026-73232 (GCVE-0-2026-73232)
Vulnerability from cvelistv5 – Published: 2026-08-11 19:32 – Updated: 2026-08-12 12:59
VLAI
EPSS
VEX
Title
ffuf denial of service (OOM) via HTTP response decompression bomb
Summary
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 decompressed, or chunked response bodies without a decompressed-size bound. This issue is fixed in version 2.2.0.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 12:58 UTC
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ffuf/ffuf/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/ffuf/ffuf/pull/897 | x_refsource_MISC |
| https://github.com/ffuf/ffuf/commit/fb0da86c60443… | x_refsource_MISC |
| https://github.com/ffuf/ffuf/releases/tag/v2.2.0 | x_refsource_MISC |
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CVE-2026-72628 (GCVE-0-2026-72628)
Vulnerability from cvelistv5 – Published: 2026-09-01 19:20 – Updated: 2026-09-01 19:37
VLAI
EPSS
VEX
Title
Improper Handling of Highly Compressed Data in Kibana Leading to Denial of Service
Summary
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 larger volume of data during processing, exhausting the memory available to Kibana. The Kibana process is terminated by the host and remains unavailable to all users until the service is restarted.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 19:37 UTC
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
1 reference
Impacted products
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CVE-2026-69304 (GCVE-0-2026-69304)
Vulnerability from cvelistv5 – Published: 2026-09-08 17:17 – Updated: 2026-09-14 22:54
VLAI
EPSS
VEX
Title
ASP.NET Core Denial of Service Vulnerability
Summary
Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 19:33 UTC
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | .NET 10.0 |
Affected:
10.0.0 , < 10.0.12
(custom)
|
|
| Microsoft | .NET 8.0 |
Affected:
8.0.0 , < 8.0.31
(custom)
|
|
| Microsoft | .NET 9.0 |
Affected:
9.0.0 , < 9.0.20
(custom)
|
|
| Microsoft | ASP.NET Core 10.0 |
Affected:
10.0 , < 10.0.12
(custom)
|
|
| Microsoft | ASP.NET Core 11.0 |
Affected:
11.0 , < 11.0 RC1
(custom)
|
|
| Microsoft | ASP.NET Core 8.0 |
Affected:
8.0 , < 8.0.31
(custom)
|
|
| Microsoft | ASP.NET Core 9.0 |
Affected:
9.0 , < 9.0.20
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 |
Affected:
17.14.0 , < 17.14.40
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2026 version 18.9 |
Affected:
18.9.0 , < 18.9.3
(custom)
|
Date Public
2026-09-08 14:00
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CVE-2026-68981 (GCVE-0-2026-68981)
Vulnerability from cvelistv5 – Published: 2026-08-03 19:59 – Updated: 2026-08-04 19:19
VLAI
EPSS
VEX
Title
Apache NiFi: Uncontrolled Resource Consumption through Decompression of HTTP Requests
Summary
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 requests that could consume excessive amounts of memory. Upgrading to Apache NiFi 2.11.0 is the recommended mitigation, which relocates response compression to Jetty Server and disables decompression of gzip-encoded HTTP requests.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 19:19 UTC
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/vxrqn7poyf1wx6gdy… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache NiFi |
Affected:
1.5.0 , ≤ 2.10.0
(semver)
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CVE-2026-62963 (GCVE-0-2026-62963)
Vulnerability from cvelistv5 – Published: 2026-07-16 19:34 – Updated: 2026-07-17 13:46
VLAI
EPSS
VEX
Title
Centrifugo: Decompression bomb DoS via permessage-deflate in unidirectional WebSocket transport
Summary
Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.4, Centrifugo unidirectional WebSocket transport with uni_websocket.compression enabled enforced uni_websocket.message_size_limit against compressed wire-frame length in internal/websocket/conn.go advanceFrame, but ReadMessage used io.ReadAll after decompression without an output cap, allowing unauthenticated requests to /connection/uni_websocket to trigger large memory and CPU consumption. This issue is fixed in version 6.8.4.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 13:46 UTC
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/centrifugal/centrifugo/securit… | x_refsource_CONFIRM |
| https://github.com/centrifugal/centrifugo/pull/1162 | x_refsource_MISC |
| https://github.com/centrifugal/centrifugo/commit/… | x_refsource_MISC |
| https://github.com/centrifugal/centrifugo/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| centrifugal | centrifugo |
Affected:
< 6.8.4
|
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CVE-2026-61690 (GCVE-0-2026-61690)
Vulnerability from cvelistv5 – Published: 2026-08-19 15:20 – Updated: 2026-08-25 02:07
VLAI
EPSS
VEX
Title
Grav: Decompression Bomb via ZipArchiver - Missing Extraction Limits
Summary
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 Archiver::create('zip') to extract an attacker-controlled archive can exhaust disk space or inodes and make the site unavailable. This issue is fixed in version 2.0.1.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 02:07 UTC
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/1c1003cfca… | x_refsource_MISC |
| https://github.com/getgrav/grav/releases/tag/2.0.1 | x_refsource_MISC |
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CVE-2026-61455 (GCVE-0-2026-61455)
Vulnerability from cvelistv5 – Published: 2026-07-10 13:58 – Updated: 2026-07-10 14:49
VLAI
EPSS
VEX
Title
Grav before 2.0.1 Decompression Bomb via ZipArchiver
Summary
Grav before 2.0.1 contains a decompression bomb vulnerability in ZipArchiver::extract() that lacks limits on uncompressed size, file count, and nesting depth. Attackers can supply a crafted ZIP archive that expands to fill available disk space, causing denial of service by exhausting storage resources.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-10 14:49 UTC
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | vendor-advisory |
| https://www.vulncheck.com/advisories/grav-before-… | third-party-advisory |
Impacted products
Date Public
2026-06-24 00:00
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.