CVE-2025-0975: IBM MQ 9.3 LTS, 9.3 CD, 9.4 LTS, and 9.4 CD console could allow an authenticated user to execute code due to i

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HIGH 8.8UPGRADE

CVE-2025-0975 is a high-severity flaw (CVSS 8.8) affecting mq appliance. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM MQ 9.3 LTS, 9.3 CD, 9.4 LTS, and 9.4 CD console could allow an authenticated user to execute code due to improper neutralization of escape characters.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-150
Published	2025-02-28
Last modified	2026-06-17

Publisher (CNA): IBM Corporation · Vendor: ibm

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-02-28 03:15 UTCPublished CVE record published
2026-06-17 08:27 UTCUpdated Record last modified

ibm mq appliance UPGRADE

Affected: >= 9.3.0 and <= 9.4.2 · >= 9.3.0.0 and <= 9.3.0.27 · >= 9.4.0.0 and <= 9.4.0.10

Fixed in: newer than 9.4.2

Safe to downgrade to: a release before 9.3.0

1. Check installed version

apt-cache policy mq-appliance || rpm -q mq-appliance || mq-appliance --version

2. UPGRADE to newer than 9.4.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mq-appliance

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mq-appliance

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 9.3.0 (Debian / Ubuntu)

apt-cache madison mq-appliance sudo apt install mq-appliance=<VERSION_BEFORE_9.3.0> sudo apt-mark hold mq-appliance

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list mq-appliance sudo dnf downgrade mq-appliance-<VERSION_BEFORE_9.3.0> sudo dnf versionlock add mq-appliance

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-0975?

mq appliance: upgrade to newer than 9.4.2. Exact commands for each OS are on this page.

Is CVE-2025-0975 being exploited?

CVE-2025-0975 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-2025-0975 affect?

CVE-2025-0975 affects mq appliance. Severity is high (CVSS 8.8). IBM MQ 9.3 LTS, 9.3 CD, 9.4 LTS, and 9.4 CD console could allow an authenticated user to execute code due to improper neutralization of escape characters.

How urgent is CVE-2025-0975?

Priority 44/100. High severity

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References

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