CVE-2016-4579

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-06-13 · updated 2026-06-17
Weakness: CWE-20

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."

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 15.10, 16.04
GnuPG Libksba: through 1.3.3
openSUSE Leap: 42.1

References

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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