CVE-2025-3978: A vulnerability was found in dazhouda lecms 3.0.3

Routine

MEDIUM 4.3DOWNGRADE

CVE-2025-3978 is a medium-severity flaw (CVSS 4.3) affecting lecms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in dazhouda lecms 3.0.3. It has been rated as problematic. Affected by this issue is some unknown functionality of the file admin/view/default/user_set.htm. The manipulation leads to information disclosure. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-200, CWE-284
Published	2025-04-27
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: lecms

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

Am I affected?

Timeline

2025-04-27 17:15 UTCPublished CVE record published
2026-06-17 09:21 UTCUpdated Record last modified

lecms lecms DOWNGRADE

Affected: 3.0.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.0.3 (Debian / Ubuntu)

apt-cache madison lecms sudo apt install lecms=<VERSION_BEFORE_3.0.3> sudo apt-mark hold lecms

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

dnf --showduplicates list lecms sudo dnf downgrade lecms-<VERSION_BEFORE_3.0.3> sudo dnf versionlock add lecms

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-2025-3978?

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

Is CVE-2025-3978 being exploited?

CVE-2025-3978 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-2025-3978 affect?

CVE-2025-3978 affects lecms. Severity is medium (CVSS 4.3). A vulnerability was found in dazhouda lecms 3.0.3. It has been rated as problematic. Affected by this issue is some unknown functionality of the file admin/view/default/user_set.htm. The manipulation leads to information disclosure. The att

How urgent is CVE-2025-3978?

Priority 31/100. Public exploit reference

Related CVEs

CVE-2025-3979 MEDIUM 4.3 DOWNGRADE A vulnerability classified as problematic has been found in dazhouda lecms 3.0.3

References

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