DEBIAN-CVE-2026-5438

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Source
https://security-tracker.debian.org/tracker/CVE-2026-5438
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-5438.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-5438
Upstream
  • CVE-2026-5438
Published
2026-04-09T15:16:15Z
Modified
2026-09-14T17:03:19Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:12 / orthanc

Package

Name
orthanc
Purl
pkg:deb/debian/orthanc?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.10.1+dfsg-2
1.10.1+dfsg-2+deb12u1
1.12.1+dfsg-1
1.12.1+dfsg-2
1.12.1+dfsg-3
1.12.1+dfsg-4
1.12.2+dfsg-1
1.12.3+dfsg-1
1.12.3+dfsg-2
1.12.4+dfsg-1
1.12.4+dfsg-2
1.12.4+dfsg-3
1.12.4+dfsg-4
1.12.5+dfsg-1
1.12.5+dfsg-2
1.12.6+dfsg-1
1.12.7+dfsg-1
1.12.7+dfsg-2
1.12.7+dfsg-3
1.12.7+dfsg-4
1.12.9+dfsg-1
1.12.9+dfsg-2
1.12.10+dfsg-1
1.12.10+dfsg-2
1.12.10+dfsg-3
1.12.10+dfsg-4
1.12.10+dfsg-5
1.12.11+dfsg-1
1.12.11+dfsg-2
1.12.11+dfsg-3
1.12.11+dfsg-4
1.12.11+dfsg-5
1.12.11+dfsg-6
1.12.11+dfsg-7
1.12.11+dfsg-8
1.13.0+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-5438.json"

Debian:13 / orthanc

Package

Name
orthanc
Purl
pkg:deb/debian/orthanc?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.12.7+dfsg-4
1.12.9+dfsg-1
1.12.9+dfsg-2
1.12.10+dfsg-1
1.12.10+dfsg-2
1.12.10+dfsg-3
1.12.10+dfsg-4
1.12.10+dfsg-5
1.12.11+dfsg-1
1.12.11+dfsg-2
1.12.11+dfsg-3
1.12.11+dfsg-4
1.12.11+dfsg-5
1.12.11+dfsg-6
1.12.11+dfsg-7
1.12.11+dfsg-8
1.13.0+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-5438.json"

Debian:14 / orthanc

Package

Name
orthanc
Purl
pkg:deb/debian/orthanc?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.12.10+dfsg-4

Affected versions

1.*
1.12.7+dfsg-4
1.12.9+dfsg-1
1.12.9+dfsg-2
1.12.10+dfsg-1
1.12.10+dfsg-2
1.12.10+dfsg-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-5438.json"