CVE-2025-33130: IBM DB2 Merge Backup for Linux, UNIX and Windows · Classic Buffer Overflow
Affects IBM DB2 Merge Backup for Linux, UNIX and WindowsSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 17 Feb 2026
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 |
|---|---|---|
| IBMDB2 Merge Backup for Linux, UNIX and Windows | Affected
| Fixed in– |
CPE configurations (1)
cpe:2.3:a:ibm:db2_merge_backup_for_linux_unix_and_windows:12.1.0.0:*:*:*:*:*:*:*
AI-suggested
1. Monitor IBM’s official channels closely for patches addressing CVE-2025-33130 and apply them promptly once available. 2. Restrict access to the DB2 Merge Backup system to only trusted and necessary authenticated users, employing the principle of least privilege. 3. Implement multi-factor authentication (MFA) for all users with access to backup systems to reduce risk of credential compromise. 4. Regularly audit and monitor backup system logs and processes for unusual crashes or behavior indicative of exploitation attempts. 5. Consider isolating backup infrastructure within segmented network zones to limit exposure from compromised accounts. 6. Develop and test incident response plans specifically for backup system failures to minimize downtime. 7. Use application whitelisting and runtime protection tools to detect abnormal process crashes or memory corruption events. 8. Educate administrators and users on secure handling of credentials and recognizing potential insider threats.
Description
IBM DB2 Merge Backup for Linux, UNIX and Windows 12.1.0.0 could allow an authenticated user to cause the program to crash due to a buffer being overwritten when it is allocated on the stack.