Medium 5.5Published Nov 20, 2019

CVE-2015-1607kbx/keybox-search.c in GnuPG before 1.4.19, 2.0.x before 2.0.27, and 2.1.x before 2.1.2 does not properly handle bitwise left-shifts, which allows remote attackers to cause a denial of service (inval…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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kbx/keybox-search.c in GnuPG before 1.4.19, 2.0.x before 2.0.27, and 2.1.x before 2.1.2 does not properly handle bitwise left-shifts, which allows remote attackers to cause a denial of service (invalid read operation) via a crafted keyring file, related to sign extensions and "memcpy with overlapping ranges."

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-20
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

gnupg gnupg gnupg:gnupg	before 1.4.19; from 2.0 before 2.0.27; from 2.1.0 before 2.1.2	NVD
canonical ubuntu_linux canonical:ubuntu_linux	10.04; 12.04; 14.04; 14.10	NVD

References

References

http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd633818dd031b090b5530951de76f392
http://www.openwall.com/lists/oss-security/2015/02/13/14	mailing-list, third-party-advisory
http://www.openwall.com/lists/oss-security/2015/02/14/6	mailing-list, third-party-advisory
http://www.securityfocus.com/bid/72610	third-party-advisory, vdb-entry
http://www.ubuntu.com/usn/usn-2554-1/	third-party-advisory
https://blog.fuzzing-project.org/5-Multiple-issues-in-GnuPG-found-through-keyring-fuzzing-TFPA-0012015.html	third-party-advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000361.html	mailing-list, release-notes, vendor-advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000362.html	mailing-list, release-notes, vendor-advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html	mailing-list, release-notes, vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.