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.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_misc
https://support2.windriver.com/index.php?page=security-notices
Vendor Advisory x_refsource_misc
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-35198
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuapr2022.html
Scores
CVSS v3
9.8
EPSS
0.0244
EPSS Percentile
82.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-190
Status
published
Products (4)
oracle/communications_eagle
46.7.0
oracle/communications_eagle
46.8.0 - 46.8.2
windriver/vxworks
6.9.4.12 (3 CPE variants)
windriver/vxworks
6.9 - 6.9.4.12
Published
May 12, 2021
Tracked Since
Feb 18, 2026