UNKNOWN Severity
CVE-2026-5438
Last updated Apr 09, 2026 · Published Apr 09, 2026
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.
Affected products
1 listed- Orthanc:DICOM Server
Mappings
CWE
CWE-770
CAPEC
None listed.
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