Buffer overflow in Ibm Db2

CVE-2026-10535

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to buffer overflow in setgid helper db2flacc.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Ibm Db2 — versions 11.5.0, 12.1.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-10535?
CVE-2026-10535 is a high-severity vulnerability in Ibm Db2, classified under Stack-based Buffer Overflow. CVSS score: 8.4/10. Published 2026-07-30.
How severe is CVE-2026-10535?
High severity. CVSS v3 base score is 8.4 out of 10.