CVE-2023-29144: Malwarebytes 1.0.14 for Linux doesn't properly compute signatures in some scenarios

Routine

LOW 3.3WATCHLISTDOWNGRADE

CVE-2023-29144 is a low-severity flaw (CVSS 3.3) affecting malwarebytes. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Malwarebytes 1.0.14 for Linux doesn't properly compute signatures in some scenarios. This allows a bypass of detection.

Why this priority

On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Weakness	CWE-190
Published	2025-12-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: malwarebytes

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

Am I affected?

Timeline

2025-12-12 17:15 UTCPublished CVE record published
2026-06-17 05:49 UTCUpdated Record last modified

malwarebytes malwarebytes DOWNGRADE

Affected: 1.0.14

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.14

1. Check installed version

apt-cache policy malwarebytes || rpm -q malwarebytes || malwarebytes --version

2. No fixed release: DOWNGRADE to a release before 1.0.14 (Debian / Ubuntu)

apt-cache madison malwarebytes sudo apt install malwarebytes=<VERSION_BEFORE_1.0.14> sudo apt-mark hold malwarebytes

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list malwarebytes sudo dnf downgrade malwarebytes-<VERSION_BEFORE_1.0.14> sudo dnf versionlock add malwarebytes

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-2023-29144?

malwarebytes: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-29144 being exploited?

CVE-2023-29144 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-2023-29144 affect?

CVE-2023-29144 affects malwarebytes. Severity is low (CVSS 3.3). Malwarebytes 1.0.14 for Linux doesn't properly compute signatures in some scenarios. This allows a bypass of detection.

How urgent is CVE-2023-29144?

Priority 19/100. On your watchlist

References

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