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Back to active CVEs
Low · CVSS 3.3CVE-2026-104364

IBM® Db2® Denial of ServiceCVE-2026-104364

Answer in brief

CVE-2026-104364 records a Low severity (CVSS 3.3) vulnerability in IBM® Db2® Denial of Service. The current sources do not mark it as known exploited. The current feed maps IBM/Db2 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 12, 2026Updated Oct 12, 2026Source checked Oct 12, 2026First seen by HOL Oct 12, 2026Material review Oct 12, 2026
Upstream Advisory

Key facts

Risk
Low · CVSS 3.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 3.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps IBM/Db2 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
IBM/Db2generic>=11.5.0 <=11.5.9 || >=12.1.0 <=12.1.5Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for IBM/Db2.
  2. 2Review the reported fix. Source-reported solution: Customers running any vulnerable affected level of an affected Program, V11.5, and V12.1, can download the security update containing the interim fix for this issue from Fix Central. These security updates are available based on the most recent level for each impacted release: V11.5.9, V12.1.4, and V12.1.5. They can be applied to any affected level of the appropriate release to remediate this vulnerability. ReleaseFixed in mod packAPARDownload URLV11.5TBD https://www.ibm.com/support/pages/node/7087189 V12.1TBD https://www.ibm.com/support/pages/node/7267513 Security Update #94858 or later for V12.1.5 available at this link: https://www.ibm.com/support/pages/node/7282633 IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.

Evidence timeline and material changes

  1. Published upstream

    Oct 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 12, 2026

Sources and claim methodology

  • Source referenceibm.com
Upstream source description

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow a local attacker to cause a denial of service due to improper input validation.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • IBM® Db2® Denial of ServiceSame ibm/db2 package
  • IBM® Db2® is vulnerable to a local attacker with DBADM authorization gaining elevated privileges due to improper privilege managementSame ibm/db2 package
  • IBM® Db2® is vulnerable to privilege escalation when db2ssh is enabled with the db2 instanceSame ibm/db2 package
  • IBM® Db2® is vulnerable to a denial of service when inserting into a table with XML columns under specific conditionsSame ibm/db2 package
  • IBM® Db2® is vulnerable to arbitrary library loading via the CREATE WRAPPER command, allowing a privileged database user to read sensitive files from the host filesystemSame ibm/db2 package
  • IBM® Db2® is vulnerable to local privilege escalation via the db2pd utilitySame ibm/db2 package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-20
Source
CVE List V5
Source checked
Oct 12, 2026
References
1 linked source
Open source record