CVE-2026-10535

IBM® Db2® is vulnerable to buffer overflow in setgid helper db2flacc which can lead to privilege escalation and instance compromise from an unprivileged shell

State: Published
Severity: 8.4 High
Published: Jul 30, 2026
Updated: Jul 31, 2026
Reserved: Jun 1, 2026

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Description

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.

Scores

CVSS	Score	Vector	Source
3.1	8.4 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	ibm

Weaknesses

CWE-121 Stack-based Buffer Overflow

Affected Products

Product	Versions
Db2IBM	11.5.0 through 11.5.9Affected 12.1.0 through 12.1.4Affected

References

https://www.ibm.com/support/pages/node/7279466vendor-advisorypatch

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