VULNERABILITY INTELLIGENCE

CVE-2020-35198

CVSS score9.8 CRITICAL
EPSS probability2.49%
CISA KEVNot currently listed
Published2021-05-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

An issue was discovered in Wind River VxWorks 7. The memory allocator has a possible integer overflow in calculating a memory block's size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.

Weakness classification

  • nvd@nist.gov: CWE-190

Primary references