CVE-2025-33092: IBM Db2 · Stack-based Buffer Overflow
Affects IBM Db2Source CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBM Db2 | Affected
| Fixed in– |
AI-suggested
Organizations should implement the following specific mitigations: 1) Monitor IBM security advisories closely and apply patches or updates as soon as IBM releases them for affected Db2 versions. 2) Restrict local access to Db2 servers strictly to trusted administrators and users to reduce the attack surface. 3) Employ the principle of least privilege by ensuring Db2 processes and users run with minimal necessary permissions. 4) Use host-based intrusion detection systems (HIDS) and behavior monitoring to detect anomalous activities indicative of exploitation attempts. 5) Conduct regular security audits and vulnerability assessments focusing on local user permissions and access controls. 6) Consider isolating Db2 servers in segmented network zones with limited user access. 7) If patching is delayed, temporarily disable or restrict access to the db2fm component if feasible without disrupting critical operations. 8) Educate system administrators about the risks of local privilege escalation vulnerabilities and the importance of timely patching. These steps go beyond generic advice by focusing on access control, monitoring, and operational practices tailored to the nature of this vulnerability.
Description
IBM Db2 for Linux 12.1.0, 12.1.1, and 12.1.2 is vulnerable to a stack-based buffer overflow in db2fm, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.