CVE-2025-2338: A vulnerability, which was classified as critical, was found in tbeu matio 1.5.28

Routine

MEDIUM 6.3DOWNGRADE

CVE-2025-2338 is a medium-severity flaw (CVSS 6.3) affecting matio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as critical, was found in tbeu matio 1.5.28. Affected is the function strdup_vprintf of the file src/io.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack 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	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-119, CWE-122
Published	2025-03-16
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: matio project

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

Am I affected?

Timeline

2025-03-16 13:15 UTCPublished CVE record published
2026-06-17 09:06 UTCUpdated Record last modified

matio project matio DOWNGRADE

Affected: 1.5.28

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.28

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5.28 (Debian / Ubuntu)

apt-cache madison matio sudo apt install matio=<VERSION_BEFORE_1.5.28> sudo apt-mark hold matio

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

dnf --showduplicates list matio sudo dnf downgrade matio-<VERSION_BEFORE_1.5.28> sudo dnf versionlock add matio

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-2025-2338?

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

Is CVE-2025-2338 being exploited?

CVE-2025-2338 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-2025-2338 affect?

CVE-2025-2338 affects matio. Severity is medium (CVSS 6.3). A vulnerability, which was classified as critical, was found in tbeu matio 1.5.28. Affected is the function strdup_vprintf of the file src/io.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remot

How urgent is CVE-2025-2338?

Priority 39/100. Public exploit reference

Related CVEs

CVE-2025-2337 MEDIUM 6.3 DOWNGRADE A vulnerability, which was classified as critical, has been found in tbeu matio 1.5.28

References

← Back to latest CVEs