IBM AIX 7.1 — CVE-2021-20515 — buffer overflow — patch and remediation guide
🟡 Medium ⏱ 15–45 min Last verified: 25 May 2026 Affected versions: IBM AIX 7.1 📖 ~4 min read • Source: NVD CVE-2021-20515, IBM Support Bulletin CVE: CVE-2021-20515 NVD summary: IBM Informix Dynamic Server 14.10 is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A local privileged user could overflow […]