CVE-2014-3158: Integer overflow in the getword function in options.c in pppd in Paul's PPP Package (ppp) before 2.4.7 allows

Q: How do I fix CVE-2014-3158?

point-to-point protocol: upgrade to newer than 2.4.6. Exact commands for each OS are on this page.

Q: Is CVE-2014-3158 being exploited?

CVE-2014-3158 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-2014-3158 affect?

CVE-2014-3158 affects point-to-point protocol. Severity is high (CVSS 7.5). Integer overflow in the getword function in options.c in pppd in Paul's PPP Package (ppp) before 2.4.7 allows attackers to "access privileged options" via a long word in an options file, which triggers a heap-based buffer overflow that "[co

This month

HIGH 7.5UPGRADE

CVE-2014-3158 is a high-severity flaw (CVSS 7.5) affecting point-to-point protocol. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Integer overflow in the getword function in options.c in pppd in Paul's PPP Package (ppp) before 2.4.7 allows attackers to "access privileged options" via a long word in an options file, which triggers a heap-based buffer overflow that "[corrupts] security-relevant variables."

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	3.5% (top 11%)
CISA exploited list	No
Weakness	CWE-119
Published	2014-11-15
Last modified	2026-06-17

Publisher (CNA): Chrome · Vendor: point-to-point protocol project

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

Am I affected?

Timeline

2014-11-15 21:59 UTCPublished CVE record published
2026-06-17 00:07 UTCUpdated Record last modified

point-to-point protocol project point-to-point protocol UPGRADE

Affected: <= 2.4.6

Fixed in: newer than 2.4.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy point-to-point-protocol || rpm -q point-to-point-protocol || point-to-point-protocol --version

2. UPGRADE to newer than 2.4.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade point-to-point-protocol

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade point-to-point-protocol

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-2014-3158?

point-to-point protocol: upgrade to newer than 2.4.6. Exact commands for each OS are on this page.

Is CVE-2014-3158 being exploited?

CVE-2014-3158 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-2014-3158 affect?

CVE-2014-3158 affects point-to-point protocol. Severity is high (CVSS 7.5). Integer overflow in the getword function in options.c in pppd in Paul's PPP Package (ppp) before 2.4.7 allows attackers to "access privileged options" via a long word in an options file, which triggers a heap-based buffer overflow that "[co

How urgent is CVE-2014-3158?

Priority 49/100. High severity

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CVE-2015-3310 MEDIUM 4.3 MITIGATE MITIGATE Buffer overflow in the rc_mksid function in plugins/radius/util.c in Paul's PPP Package (ppp) 2.4.6 and earlie

References

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