{"cve":"CVE-2020-28895","nvd":{"published":"2021-02-03T16:15:13.633","modified":"2026-06-17T03:10:47.207","status":"Modified","description":"In Wind River VxWorks, memory allocator has a possible overflow in calculating the 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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","score":7.3},"cwes":["CWE-190","CWE-787"],"references":["https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-28895","https://support2.windriver.com/index.php?page=defects&on=view&id=V7LIBC-1327","https://www.oracle.com/security-alerts/cpuapr2022.html","https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-28895","https://support2.windriver.com/index.php?page=defects&on=view&id=V7LIBC-1327"],"products":["oracle:communications_eagle","windriver:vxworks"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2020-28895","score":0.01542,"percentile":0.74944,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}