CVE-2001-0714: Sendmail before 8.12.1, without the RestrictQueueRun option enabled, allows local users to cause a denial of s

Q: How do I fix CVE-2001-0714?

sendmail: upgrade to newer than 8.12.1. Exact commands for each OS are on this page.

Q: Is CVE-2001-0714 being exploited?

CVE-2001-0714 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2001-0714 affect?

CVE-2001-0714 affects sendmail. Severity is low (CVSS 2.1). Sendmail before 8.12.1, without the RestrictQueueRun option enabled, allows local users to cause a denial of service (data loss) by (1) setting a high initial message hop count option (-h), which causes Sendmail to drop queue entries, (2) v

Q: How urgent is CVE-2001-0714?

Priority 13/100. No elevated risk signals yet.

Routine

LOW 2.1UPGRADE

CVE-2001-0714 is a low-severity flaw (CVSS 2.1) affecting sendmail. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sendmail before 8.12.1, without the RestrictQueueRun option enabled, allows local users to cause a denial of service (data loss) by (1) setting a high initial message hop count option (-h), which causes Sendmail to drop queue entries, (2) via the -qR option, or (3) via the -qS option.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Published	2001-10-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sendmail

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

Am I affected?

Timeline

2001-10-30 05:00 UTCPublished CVE record published
2026-06-16 21:54 UTCUpdated Record last modified

sendmail sendmail UPGRADE

Affected: <= 8.12.1

Fixed in: newer than 8.12.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 8.12.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sendmail

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sendmail

Note

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

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-2001-0714?

sendmail: upgrade to newer than 8.12.1. Exact commands for each OS are on this page.

Is CVE-2001-0714 being exploited?

CVE-2001-0714 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-2001-0714 affect?

CVE-2001-0714 affects sendmail. Severity is low (CVSS 2.1). Sendmail before 8.12.1, without the RestrictQueueRun option enabled, allows local users to cause a denial of service (data loss) by (1) setting a high initial message hop count option (-h), which causes Sendmail to drop queue entries, (2) v

How urgent is CVE-2001-0714?

Priority 13/100. No elevated risk signals yet.

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References

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