CVE-2014-3564: Multiple heap-based buffer overflows in the status_handler function in (1) engine-gpgsm.c and (2) engine-uiser

Q: How do I fix CVE-2014-3564?

gpgme: upgrade to newer than 1.5.0; ubuntu linux: mitigate or apply the listed mitigation; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2014-3564 being exploited?

CVE-2014-3564 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-2014-3564 affect?

CVE-2014-3564 affects gpgme, ubuntu linux, debian linux. Severity is medium (CVSS 6.8). Multiple heap-based buffer overflows in the status_handler function in (1) engine-gpgsm.c and (2) engine-uiserver.c in GPGME before 1.5.1 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via ve

Q: How urgent is CVE-2014-3564?

Priority 52/100. EPSS top 9%: very likely to be exploited; On your watchlist

This month

MEDIUM 6.8WATCHLISTUPGRADEMITIGATEMITIGATE

CVE-2014-3564 is a medium-severity flaw (CVSS 6.8) affecting gpgme, ubuntu linux, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple heap-based buffer overflows in the status_handler function in (1) engine-gpgsm.c and (2) engine-uiserver.c in GPGME before 1.5.1 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to "different line lengths in a specific order."

Why this priority

EPSS top 9%: very likely to be exploited
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	4.3% (top 9%)
CISA exploited list	No
Weakness	CWE-119
Published	2014-10-20
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: canonical · debian · gnu

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

Am I affected?

Timeline

2014-10-20 17:55 UTCPublished CVE record published
2026-06-17 00:08 UTCUpdated Record last modified

gnu gpgme UPGRADE

Affected: <= 1.5.0

Fixed in: newer than 1.5.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.5.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gpgme

Note

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

canonical ubuntu linux MITIGATE

Affected: 10.04 · 12.04

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.04

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

debian debian linux MITIGATE

Affected: 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2014-3564?

gpgme: upgrade to newer than 1.5.0; ubuntu linux: mitigate or apply the listed mitigation; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-3564 being exploited?

CVE-2014-3564 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-2014-3564 affect?

CVE-2014-3564 affects gpgme, ubuntu linux, debian linux. Severity is medium (CVSS 6.8). Multiple heap-based buffer overflows in the status_handler function in (1) engine-gpgsm.c and (2) engine-uiserver.c in GPGME before 1.5.1 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via ve

How urgent is CVE-2014-3564?

Priority 52/100. EPSS top 9%: very likely to be exploited; On your watchlist

Software pages

Ubuntu vulnerabilities · Debian vulnerabilities

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References

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