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CVE-2026-9744: IBM Netezza Software 11.3.0.3 through Interim Fix 002 does not validate or improperly validates TLS certificat

25
Routine
MEDIUM 5.3REMOTEUPGRADE

CVE-2026-9744 is a medium-severity flaw (CVSS 5.3) affecting netezza performance server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM Netezza Software 11.3.0.3 through Interim Fix 002 does not validate or improperly validates TLS certificate validation, which could allow an attacker to obtain sensitive information using man in the middle techniques.

Why this priority

  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score5.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.2% (top 93%)
CISA exploited listNo
WeaknessCWE-297
Published2026-09-03
Last modified2026-09-10
Publisher (CNA): IBM Corporation · Vendor: ibm

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Last updated 2026-09-10 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

ibm netezza performance server UPGRADE
Affected: < 11.3.1.3
Fixed in: 11.3.1.3
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy netezza-performance-server || rpm -q netezza-performance-server || netezza-performance-server --version
2. UPGRADE to 11.3.1.3 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade netezza-performance-server
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade netezza-performance-server
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-9744?

netezza performance server: upgrade to 11.3.1.3. Exact commands for each OS are on this page.

Is CVE-2026-9744 being exploited?

CVE-2026-9744 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-9744 affect?

CVE-2026-9744 affects netezza performance server. Severity is medium (CVSS 5.3). IBM Netezza Software 11.3.0.3 through Interim Fix 002 does not validate or improperly validates TLS certificate validation, which could allow an attacker to obtain sensitive information using man in the middle techniques.

How urgent is CVE-2026-9744?

Priority 25/100. Remotely exploitable, no login, no user action

Related CVEs

References

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