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CVE-2025-33092VulnerabilityPublished Updated

CVE-2025-33092: IBM Db2 · Stack-based Buffer Overflow

Affects IBM Db2Source CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
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:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
IBM Db2Affected
  • =11.5.0
  • =12.1.0
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.

References

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