CVE-2026-5438

| EUVD-2026-20914
2026-04-09 certcc GHSA-7vj5-pm38-6wjv

Lifecycle Timeline

2
EUVD ID Assigned
Apr 09, 2026 - 15:00 euvd
EUVD-2026-20914
CVE Published
Apr 09, 2026 - 14:44 nvd
N/A

Description

A gzip decompression bomb vulnerability exists when Orthanc processes HTTP request with `Content-Encoding: gzip`. The server does not enforce limits on decompressed size and allocates memory based on attacker-controlled compression metadata. A specially crafted gzip payload can trigger excessive memory allocation and exhaust system memory.

Analysis

A gzip decompression bomb vulnerability exists when Orthanc processes HTTP request with `Content-Encoding: gzip`. The server does not enforce limits on decompressed size and allocates memory based on attacker-controlled compression metadata. …

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Priority Score

0
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +0
POC: 0

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CVE-2026-5438 vulnerability details – vuln.today

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