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Fencer Intel
medium 5.5

CVE-2015-1606 json

The keyring DB in GnuPG before 2.1.2 does not properly handle invalid packets, which allows remote attackers to cause a denial of service (…

published 2019-11-20 6 y ago modified 2026-06-17 4 mo ago also EUVD-2015-1737

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

The keyring DB in GnuPG before 2.1.2 does not properly handle invalid packets, which allows remote attackers to cause a denial of service (invalid read and use-after-free) via a crafted keyring file.

Patch / fix

  • gnupg gnupg 2.1.2
  • gnupg2 Debian 14, Debian 13, Debian 12 2.0.26-5

debian advisories DEBIAN-CVE-2015-1606

  • gnupg Ubuntu 14.04 LTS 1.4.16-1ubuntu2.3
  • gnupg2 Ubuntu 14.04 LTS 2.0.22-3ubuntu1.3

ubuntu advisories UBUNTU-CVE-2015-1606

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • gpg2 SLES 12 SP1, SLES 12, SLED 12 SP1 +3 more 2.0.24-3.2
  • gpg2 SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +4 more 2.0.9-25.33.41.2

suse advisories SUSE-SU-2015:2171-1SUSE-SU-2015:2171-2SUSE-SU-2015:2170-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-1606 updated cvss 1.2

gnupg2: invalid memory read using a garbled keyring

  • Red Hat Enterprise Linux 5 gnupg, gnupg2 Red Hat Enterprise Linux 6 gnupg2, gnupg2-smime Red Hat Enterprise Linux 7 gnupg2, gnupg2-smime
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.92% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.