CVE-2014-4677: The installPackage function in the installerHelper subcomponent in Libmacgpg in GPG Suite before 2015.06 allow

Q: How do I fix CVE-2014-4677?

libmacgpg: upgrade to newer than 0.6. Exact commands for each OS are on this page.

Q: Is CVE-2014-4677 being exploited?

CVE-2014-4677 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-2014-4677 affect?

CVE-2014-4677 affects libmacgpg. Severity is high (CVSS 7.8). The installPackage function in the installerHelper subcomponent in Libmacgpg in GPG Suite before 2015.06 allows local users to execute arbitrary commands with root privileges via shell metacharacters in the xmlPath argument.

Q: How urgent is CVE-2014-4677?

Priority 45/100. High severity; Public exploit reference

This month

HIGH 7.8UPGRADE

CVE-2014-4677 is a high-severity flaw (CVSS 7.8) affecting libmacgpg. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The installPackage function in the installerHelper subcomponent in Libmacgpg in GPG Suite before 2015.06 allows local users to execute arbitrary commands with root privileges via shell metacharacters in the xmlPath argument.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 49%)
CISA exploited list	No
Weakness	CWE-77
Published	2017-02-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: gpgtools

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

Am I affected?

Timeline

2017-02-22 16:59 UTCPublished CVE record published
2026-06-17 00:10 UTCUpdated Record last modified

gpgtools libmacgpg UPGRADE

Affected: <= 0.6

Fixed in: newer than 0.6

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.6 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade libmacgpg

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-2014-4677?

libmacgpg: upgrade to newer than 0.6. Exact commands for each OS are on this page.

Is CVE-2014-4677 being exploited?

CVE-2014-4677 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-2014-4677 affect?

CVE-2014-4677 affects libmacgpg. Severity is high (CVSS 7.8). The installPackage function in the installerHelper subcomponent in Libmacgpg in GPG Suite before 2015.06 allows local users to execute arbitrary commands with root privileges via shell metacharacters in the xmlPath argument.

How urgent is CVE-2014-4677?

Priority 45/100. High severity; Public exploit reference

References

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