CVE-2014-3891: Buffer overflow in RimArts Becky! Internet Mail before 2.68 allows remote POP3 servers to execute arbitrary co

Q: How do I fix CVE-2014-3891?

becky\! internet mail: upgrade to newer than 2.67. Exact commands for each OS are on this page.

Q: Is CVE-2014-3891 being exploited?

CVE-2014-3891 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-2014-3891 affect?

CVE-2014-3891 affects becky\! internet mail. Severity is medium (CVSS 6.8). Buffer overflow in RimArts Becky! Internet Mail before 2.68 allows remote POP3 servers to execute arbitrary code via a crafted response.

Q: How urgent is CVE-2014-3891?

Priority 44/100. No elevated risk signals yet.

This month

MEDIUM 6.8UPGRADE

CVE-2014-3891 is a medium-severity flaw (CVSS 6.8) affecting becky\! internet mail. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in RimArts Becky! Internet Mail before 2.68 allows remote POP3 servers to execute arbitrary code via a crafted response.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-119
Published	2014-07-09
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: rimarts

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

Am I affected?

Timeline

2014-07-09 11:07 UTCPublished CVE record published
2026-06-17 00:09 UTCUpdated Record last modified

rimarts becky\! internet mail UPGRADE

Affected: <= 2.67 · 1.26.3 · 1.26.4 · 1.26.5 · 2.00.0 · 2.00.01 · 2.00.02 · 2.00.03

Fixed in: newer than 2.67

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy becky-internet-mail || rpm -q becky-internet-mail || becky-internet-mail --version

2. UPGRADE to newer than 2.67 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade becky-internet-mail

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade becky-internet-mail

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-2014-3891?

becky\! internet mail: upgrade to newer than 2.67. Exact commands for each OS are on this page.

Is CVE-2014-3891 being exploited?

CVE-2014-3891 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-2014-3891 affect?

CVE-2014-3891 affects becky\! internet mail. Severity is medium (CVSS 6.8). Buffer overflow in RimArts Becky! Internet Mail before 2.68 allows remote POP3 servers to execute arbitrary code via a crafted response.

How urgent is CVE-2014-3891?

Priority 44/100. No elevated risk signals yet.

References

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