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Vulnerability record · CVE-2016-4579 · published 13 June 2016

CVE-2016-4579: Gnupg libksba improper input validation vulnerability

Gnupg · Libksba

Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via unspecified vectors, related to the "returned length of the object from _ksba_ber_parse_tl."

7.5 CVSS 3.0 High EPSS 3.3% · top 11.7% CWE-20 · Improper input validation
7.5CVSS 3.0 base score, v2 5.0
3.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via unspecified vectors, related to the "returned length of the object from _ksba_ber_parse_tl."

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=a7eed17a0b2a1c09ef986f3b4b323cd31cea2b64
http://lists.opensuse.org/opensuse-updates/2016-06/msg00028.html
http://www.openwall.com/lists/oss-security/2016/05/10/8
http://www.openwall.com/lists/oss-security/2016/05/11/10
http://www.ubuntu.com/usn/USN-2982-1
https://security.gentoo.org/glsa/201706-22
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=a7eed17a0b2a1c09ef986f3b4b323cd31cea2b64
http://lists.opensuse.org/opensuse-updates/2016-06/msg00028.html
http://www.openwall.com/lists/oss-security/2016/05/10/8
http://www.openwall.com/lists/oss-security/2016/05/11/10
http://www.ubuntu.com/usn/USN-2982-1
https://security.gentoo.org/glsa/201706-22

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Source: NIST National Vulnerability Database (record CVE-2016-4579), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.