Common Weakness Enumeration

CWE-409

Allowed

Improper Handling of Highly Compressed Data (Data Amplification)

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output.

296 vulnerabilities reference this CWE, most recent first.

CVE-2026-109398 (GCVE-0-2026-109398)

Vulnerability from cvelistv5 – Published: 2026-10-12 15:16 – Updated: 2026-10-13 18:20
VLAI
Title
Gumlet php-image-resize before 3.0.1 Denial of Service via Decompression Bombs
Summary
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 compressed images that decode to large bitmaps, exhausting PHP memory and terminating the worker process.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:20 UTC
CWE
  • CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
gumlet php-image-resize Affected: 0 , < 3.0.1 (semver)
Create a notification for this product.
Date Public
2026-10-06 18:18
Credits
ikram-4
Show details on NVD website
To clipboard 

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CVE-2026-109324 (GCVE-0-2026-109324)

Vulnerability from cvelistv5 – Published: 2026-10-12 16:05 – Updated: 2026-10-13 16:54
VLAI
Title
Grav before 2.1.7 Memory Exhaustion via Oversized Image Transforms
Summary
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 source without dimension checks, letting anonymous requests repeatedly cause page unavailability.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:48 UTC
CWE
  • CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
getgrav grav Affected: 0 , < 2.1.7 (semver)
Unaffected: 2.1.7 (semver)
    cpe:2.3:a:getgrav:grav:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-23 00:00
Credits
manus-pi manus-use
Show details on NVD website
To clipboard 

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CVE-2026-109229 (GCVE-0-2026-109229)

Vulnerability from cvelistv5 – Published: 2026-10-12 14:04 – Updated: 2026-10-13 15:19
VLAI
Title
SGLang through 0.5.21 Decompression Bomb DoS via NanoNemotronVLImageProcessor
Summary
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 images with huge dimensions to the generic image loader, exhausting worker memory during decoding.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:19 UTC
CWE
  • CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
sgl-project sglang Affected: 0 , ≤ 0.5.21 (semver)
    cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-11 00:00
Credits
Jiapeng Li Jiajia Liu Jiadai Wang
Show details on NVD website
To clipboard 

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CVE-2026-109226 (GCVE-0-2026-109226)

Vulnerability from cvelistv5 – Published: 2026-10-12 14:04 – Updated: 2026-10-13 18:24
VLAI
Title
SGLang through 0.5.21 Audio Decompression Amplification via load_audio
Summary
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 silence files through audio_url or audio_data inputs that expand into massive PCM buffers, exhausting worker memory and CPU for denial of service.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:23 UTC
CWE
  • CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
sgl-project sglang Affected: 0 , ≤ 0.5.21 (semver)
    cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-11 00:00
Credits
Jiapeng Li Jiajia Liu Jiadai Wang
Show details on NVD website
To clipboard 

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CVE-2026-108750 (GCVE-0-2026-108750)

Vulnerability from cvelistv5 – Published: 2026-10-11 12:19 – Updated: 2026-10-14 13:30
VLAI
Title
OpenDocMan 2.4.0 through 2.10.0 Decompression Bomb DoS via Upload Text Extraction
Summary
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 hundreds of megabytes, crashing PHP workers and degrading availability.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 13:30 UTC
CWE
  • CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version
OpenDocMan OpenDocMan Affected: 2.4.0 , ≤ 2.10.0 (semver)
    cpe:2.3:a:opendocman:opendocman:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-10 00:00
Credits
HaiND from the Post and Telecommunication Institute of Technology
Show details on NVD website
To clipboard 

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CVE-2026-107335 (GCVE-0-2026-107335)

Vulnerability from cvelistv5 – Published: 2026-10-08 17:30 – Updated: 2026-10-14 19:36
VLAI
Title
Improper Handling of Highly Compressed Data in Malcolm
Summary
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, .bz2, .xz, .lzma, .lz) that isn't a .tar.*-style archive. Any authenticated user permitted to upload PCAP/log files can upload a small, highly compressible file (e.g. a gzip bomb) that decompresses to an effectively unbounded size on disk, exhausting the shared Docker volume used by OpenSearch, Logstash, Arkime, and Zeek, and disrupting the platform for all users.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 19:05 UTC
CWE
  • CWE-409 - Improper handling of highly compressed data (data amplification)
Assigner
icscert CNA under the icscert root
CNA scorecard B 75/100 over 352 records in the last 180 days details
References
Impacted products
Vendor Product Version
CISA Malcolm Affected: 0 , ≤ 26.07.1 (custom)
Unaffected: 26.08.0
Create a notification for this product.
Date Public
2026-10-07 19:02
Credits
Seth Grover tinyb0y
Show details on NVD website
To clipboard 

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CVE-2026-107227 (GCVE-0-2026-107227)

Vulnerability from cvelistv5 – Published: 2026-10-07 20:51 – Updated: 2026-10-08 14:02
VLAI
Title
AsyncHttpClient: Unbounded WebSocket permessage-deflate decompression enables a decompression-bomb denial of service when compression is enabled
Summary
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 pipeline aggregates compressed frames before WebSocketClientCompressionHandler inflates them, so webSocketMaxFrameSize and webSocketMaxBufferSize do not bound decompressed output. A malicious WebSocket peer can send a small compressed message that expands to a very large Netty buffer and exhausts JVM heap. This issue is fixed in version 3.0.14.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 14:02 UTC
CWE
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7761 records in the last 180 days details
References
Impacted products
Vendor Product Version
AsyncHttpClient async-http-client Affected: >= 3.0.0, < 3.0.14
Affected: >= 2.2.0, <= 2.16.1
Create a notification for this product.
Show details on NVD website
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CVE-2026-107210 (GCVE-0-2026-107210)

Vulnerability from cvelistv5 – Published: 2026-10-07 15:59 – Updated: 2026-10-10 02:35
VLAI
Title
ImageMagick: Policy Bypass in MAT decoder when reading highly compressed data
Summary
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 limit, bypassing resource restrictions and consuming excessive disk space. This issue is fixed in versions 7.1.2-30 and 6.9.13-55.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-10 02:35 UTC
CWE
  • CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7761 records in the last 180 days details
References
Impacted products
Vendor Product Version
ImageMagick ImageMagick Affected: < 6.9.13-55
Affected: >= 7.0.0, < 7.1.2-30
Create a notification for this product.
Show details on NVD website
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CVE-2026-106585 (GCVE-0-2026-106585)

Vulnerability from cvelistv5 – Published: 2026-10-06 20:52 – Updated: 2026-10-15 18:10
VLAI
Summary
In sshd and ssh in OpenSSH before 10.6, there is no check for whether the maximum packet length is exceeded during decompression of highly compressed data.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 16:10 UTC
CWE
  • CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2362 records in the last 180 days details
References
Impacted products
Vendor Product Version
OpenBSD OpenSSH Affected: 0 , < 10.6 (custom)
    cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
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CVE-2026-105826 (GCVE-0-2026-105826)

Vulnerability from cvelistv5 – Published: 2026-10-08 14:10 – Updated: 2026-10-09 13:03
VLAI

This CVE ID has been rejected as a duplicate.

Replaced by CVE-2026-107210

Show details on NVD website
To clipboard 

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No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.

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