CVE catalog
CVE-2026-5443
A heap buffer overflow vulnerability exists during the decoding of `PALETTE COLOR` DICOM images. Pixel length validation uses 32-bit multiplication for width and height calculations. If these values o
- Severity
- Critical · CVSS 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.57% · Oct 25, 2026
A heap buffer overflow vulnerability exists during the decoding of `PALETTE COLOR` DICOM images. Pixel length validation uses 32-bit multiplication for width and height calculations. If these values overflow, the validation check incorrectly succeeds, allowing the decoder to read and write to memory beyond allocated buffers.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | orthanc | sid | 1.13.0+dfsg-1 | fixed |
| Debian | orthanc | forky | 1.13.0+dfsg-1 | fixed |
| Debian | orthanc | trixie | 1.12.7+dfsg-4 | vulnerable |
| Debian | orthanc | bookworm | 1.10.1+dfsg-2+deb12u1 | vulnerable |
| Debian | orthanc | bookworm-security | 1.10.1+dfsg-2+deb12u1 | vulnerable |
| Cpe | orthanc | Not reported | Not reported | vulnerable |
| Cpe | orthanc | Not reported | 1.12.11 | fixed |
| Cpe | orthanc | Not reported | 1.12.11 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | orthanc | source | sid | 1.12.10+dfsg-4 | not yet assigned | Not reported | [1133182] |
| Debian | orthanc | source | forky | 1.12.10+dfsg-4 | not yet assigned | Not reported | [1133182] |
| Debian | orthanc | source | trixie | (unfixed) | not yet assigned | Not reported | [1133182] |
| Debian | orthanc | source | bookworm | (unfixed) | not yet assigned | Not reported | [1133182] |
| Cpe | orthanc | cpe | Not reported | 1.12.11 | Not reported | Not reported | Not reported |
| Cpe | orthanc | cpe | Not reported | 1.12.11 | Not reported | NVD-CVE-2026-5443 | Not reported |
Notes
[trixie] orthanc: Minor issue [bookworm] orthanc: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [liborthancframework1]Affected
Source package: [orthanc]
Details (4)
1.10.1+dfsg-2+deb12u1· amd64 · bookwormAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· arm64 · bookwormAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· amd64 · bookworm-securityAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· arm64 · bookworm-securityAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
- [liborthancframework-dev]Affected
Source package: [orthanc]
Details (4)
1.10.1+dfsg-2+deb12u1· amd64 · bookwormAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· arm64 · bookwormAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· amd64 · bookworm-securityAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· arm64 · bookworm-securityAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
- [orthanc]Affected
Details (4)
1.10.1+dfsg-2+deb12u1· amd64 · bookwormAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· arm64 · bookwormAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· amd64 · bookworm-securityAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· arm64 · bookworm-securityAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
- [orthanc-dev]Affected
Source package: [orthanc]
Details (4)
1.10.1+dfsg-2+deb12u1· amd64 · bookwormAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· arm64 · bookwormAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· amd64 · bookworm-securityAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· arm64 · bookworm-securityAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
- [orthanc-doc]Affected
Source package: [orthanc]
Details (4)
1.10.1+dfsg-2+deb12u1· all · bookwormAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· all · bookwormAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· all · bookworm-securityAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
1.10.1+dfsg-2+deb12u1· all · bookworm-securityAffected
nvd · orthanc · debian · bookworm; nvd · orthanc · debian · 12
[Debian 13 (Trixie)]
- [liborthancframework1]Affected
Source package: [orthanc]
Details (2)
1.12.7+dfsg-4· amd64 · trixieAffected
nvd · orthanc · debian · 13
1.12.7+dfsg-4· arm64 · trixieAffected
nvd · orthanc · debian · 13
- [liborthancframework-dev]Affected
Source package: [orthanc]
Details (2)
1.12.7+dfsg-4· amd64 · trixieAffected
nvd · orthanc · debian · 13
1.12.7+dfsg-4· arm64 · trixieAffected
nvd · orthanc · debian · 13
- [orthanc]Affected
Details (2)
1.12.7+dfsg-4· amd64 · trixieAffected
nvd · orthanc · debian · 13
1.12.7+dfsg-4· arm64 · trixieAffected
nvd · orthanc · debian · 13
- [orthanc-dev]Affected
Source package: [orthanc]
Details (2)
1.12.7+dfsg-4· amd64 · trixieAffected
nvd · orthanc · debian · 13
1.12.7+dfsg-4· arm64 · trixieAffected
nvd · orthanc · debian · 13
- [orthanc-doc]Affected
Source package: [orthanc]
Details (2)
1.12.7+dfsg-4· all · trixieAffected
nvd · orthanc · debian · 13
1.12.7+dfsg-4· all · trixieAffected
nvd · orthanc · debian · 13
Observed:
References
- [https://kb.cert.org/vuls/id/536588]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-5443]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-5443]
- [https://security-tracker.debian.org/tracker/CVE-2026-5443]
- [https://www.machinespirits.de/]
- [https://www.orthanc-server.com/]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]