Vulnerability · Published Jun 25, 2026 · Assigned by talos
CVE-2026-22879
High 8.1
In plain English
A high-severity security flaw in vtk from vtk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.5%top 57.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A heap-based buffer overflow vulnerability exists in the vtkDICOMItem::FindDataElementOrInsert functionality of vtk-dicom (version(s): 9.5.2). A specially crafted DICOM file can lead to heap-based memory corruption. An attacker can provide a malicious file to trigger this vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | vtk-dicom | no fix listed | DEBIAN-CVE-2026-22879 |
| Debian:13 | vtk-dicom | no fix listed | DEBIAN-CVE-2026-22879 |
| Ubuntu:22.04:LTS | vtk-dicom | no fix listed | UBUNTU-CVE-2026-22879 |
| Ubuntu:24.04:LTS | vtk-dicom | no fix listed | UBUNTU-CVE-2026-22879 |
| Ubuntu:25.10 | vtk-dicom | no fix listed | UBUNTU-CVE-2026-22879 |
| Ubuntu:26.04:LTS | vtk-dicom | no fix listed | UBUNTU-CVE-2026-22879 |
| Ubuntu:26.10 | vtk-dicom | no fix listed | UBUNTU-CVE-2026-22879 |
Affected products (as reported)
Weakness: CWE-129 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H