6.9 Medium
AI Score
Confidence
Low
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.009 Low
EPSS
Percentile
82.6%
The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context-dependent attackers to read system memory and possibly have other unspecified impact via invalid UTF-8 characters in a string, which triggers an out-of-bounds read.
git.savannah.gnu.org/cgit/libidn.git/commit/?id=2e97c279
lists.opensuse.org/opensuse-updates/2015-07/msg00042.html
lists.opensuse.org/opensuse-updates/2016-08/msg00098.html
www.debian.org/security/2016/dsa-3578
www.openwall.com/lists/oss-security/2015/02/23/25
www.securityfocus.com/bid/72736
www.ubuntu.com/usn/USN-3068-1
github.com/jabberd2/jabberd2/issues/85
lists.fedoraproject.org/pipermail/package-announce/2015-July/162537.html
lists.fedoraproject.org/pipermail/package-announce/2015-July/162549.html