Vulnerability · Published May 12, 2021 · Assigned by mitre
CVE-2020-35198
Critical 9.8
In plain English
A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.5% (higher than 85% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)2.5%top 15.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
References
- https://support2.windriver.com/index.php?page=security-notices x_refsource_MISC
- https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-35198 x_refsource_MISC
- https://www.oracle.com/security-alerts/cpuapr2022.html x_refsource_MISC