CVE-2026-5438
April 9, 2026, 3:16 p.m.
None
No Score
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.
Product(s) Impacted
| Vendor | Product | Versions |
|---|---|---|
| Orthanc |
|
|
Weaknesses
Common security weaknesses mapped to this vulnerability.
*CPE(s)
Affected systems and software identified for this CVE.
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| a | orthanc | orthanc | / | / | / | / | / | / | / | / |
Tags
Timeline
Published: April 9, 2026, 3:16 p.m.
Last Modified: April 9, 2026, 3:16 p.m.
Last Modified: April 9, 2026, 3:16 p.m.
Status : Received
CVE has been recently published to the CVE List and has been received by the NVD.
More infoSource
*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.