Vulnerability · Published Oct 29, 2026 · Assigned by talos
CVE-2026-9536
High 7.5
In plain English
A high-severity heap buffer overflow 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 0.3% (higher than 24% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 76.3% 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 vtkWindBladeReader FindVariableOffsets functionality of vtk (version(s): 9.6.1). A specially crafted .wind can lead to a buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | vtk9 | no fix listed | DEBIAN-CVE-2026-9536 |
| Debian:13 | vtk9 | no fix listed | DEBIAN-CVE-2026-9536 |
| Debian:14 | vtk9 | no fix listed | DEBIAN-CVE-2026-9536 |
Affected products (as reported)
Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H