High severity · published Jun 25, 2026
CVE-2026-22879
A heap-based buffer overflow vulnerability exists in the vtkDICOMItem::FindDataElementOrInsert functionality of vtk-dicom (version(s): 9.5.2)
8.1
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VT
vtk · vtk
9.5.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-22879
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-22879
talosintelligence.com
https://talosintelligence.com/vulnerability_reports/TALOS-2026-2366
www.talosintelligence.com
https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2366
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