PT-2026-31632 · Dicom · Dicom

Published 2026-04-09 · Updated 2026-04-09 · CVE-2026-5443

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions DICOM (affected versions not specified)

Description A heap buffer overflow occurs during the decoding of PALETTE COLOR DICOM images. The pixel length validation uses 32-bit multiplication to calculate width and height. If these values overflow, the validation check incorrectly succeeds, allowing the decoder to read and write to memory beyond allocated buffers.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2026-5443

Affected Products

Dicom

References · 11

• https://cve.org/CVERecord?id=CVE-2026-5443 · Security Note
• https://ubuntu.com/security/CVE-2026-5443 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-5443 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-5443 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-5443 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-5443 · Vendor Advisory
• https://kb.cert.org/vuls/id/536588 · Note
• https://orthanc-server.com · Note
• https://twitter.com/CVEnew/status/2042302823577370668 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2042333935602958561 · Twitter Post
• https://machinespirits.de · Note