7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.004 Low
EPSS
Percentile
74.8%
The stringprep_utf8_nfkc_normalize function in lib/nfkc.c in libidn before
1.33 allows context-dependent attackers to cause a denial of service
(out-of-bounds read and crash) via crafted UTF-8 data.
www.openwall.com/lists/oss-security/2016/07/20/6
launchpad.net/bugs/cve/CVE-2016-6263
lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.html
nvd.nist.gov/vuln/detail/CVE-2016-6263
security-tracker.debian.org/tracker/CVE-2016-6263
ubuntu.com/security/notices/USN-3068-1
www.cve.org/CVERecord?id=CVE-2016-6263
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.004 Low
EPSS
Percentile
74.8%