CVE-2001-0850: A configuration error in the libdb1 package in OpenLinux 3.1 uses insecure versions of the snprintf and vsnpri

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HIGH 10.0WATCHLISTMITIGATE

CVE-2001-0850 is a high-severity flaw (CVSS 10.0) affecting openlinux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A configuration error in the libdb1 package in OpenLinux 3.1 uses insecure versions of the snprintf and vsnprintf functions, which could allow local or remote users to exploit those functions with a buffer overflow.

Why this priority

Critical severity
On your watchlist

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	2.3% (top 16%)
CISA exploited list	No
Published	2001-12-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: caldera

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2001-12-06 05:00 UTCPublished CVE record published
2026-06-16 21:55 UTCUpdated Record last modified

caldera openlinux MITIGATE

Affected: 3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2001-0850?

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

Is CVE-2001-0850 being exploited?

CVE-2001-0850 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-2001-0850 affect?

CVE-2001-0850 affects openlinux. Severity is high (CVSS 10.0). A configuration error in the libdb1 package in OpenLinux 3.1 uses insecure versions of the snprintf and vsnprintf functions, which could allow local or remote users to exploit those functions with a buffer overflow.

How urgent is CVE-2001-0850?

Priority 61/100. Critical severity; On your watchlist

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References

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