CVE-2014-3554: Buffer overflow in the ndp_msg_opt_dnssl_domain function in libndp allows remote routers to cause a denial of

Q: How do I fix CVE-2014-3554?

libndp: upgrade to 1.4. Exact commands for each OS are on this page.

Q: Is CVE-2014-3554 being exploited?

CVE-2014-3554 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-2014-3554 affect?

CVE-2014-3554 affects libndp. Severity is medium (CVSS 6.8). Buffer overflow in the ndp_msg_opt_dnssl_domain function in libndp allows remote routers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted DNS Search List (DNSSL) in an IPv6 router advertisement.

Q: How urgent is CVE-2014-3554?

Priority 45/100. No elevated risk signals yet.

This month

MEDIUM 6.8UPGRADE

CVE-2014-3554 is a medium-severity flaw (CVSS 6.8) affecting libndp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the ndp_msg_opt_dnssl_domain function in libndp allows remote routers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted DNS Search List (DNSSL) in an IPv6 router advertisement.

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	2.8% (top 14%)
CISA exploited list	No
Weakness	CWE-120
Published	2014-07-31
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: libndp

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

Am I affected?

Timeline

2014-07-31 14:55 UTCPublished CVE record published
2026-06-17 00:08 UTCUpdated Record last modified

libndp libndp UPGRADE

Affected: < 1.4

Fixed in: 1.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade libndp

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-2014-3554?

libndp: upgrade to 1.4. Exact commands for each OS are on this page.

Is CVE-2014-3554 being exploited?

CVE-2014-3554 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-2014-3554 affect?

CVE-2014-3554 affects libndp. Severity is medium (CVSS 6.8). Buffer overflow in the ndp_msg_opt_dnssl_domain function in libndp allows remote routers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted DNS Search List (DNSSL) in an IPv6 router advertisement.

How urgent is CVE-2014-3554?

Priority 45/100. No elevated risk signals yet.

References

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