MEDIUM
res_query in libresolv in glibc before 2.25 allows remote attackers to cause a denial of service (NULL pointer dereference and process crash).
http://www.securityfocus.com/bid/99324
http://www.ubuntu.com/usn/USN-3239-1
http://www.ubuntu.com/usn/USN-3239-2
https://access.redhat.com/errata/RHSA-2018:0805
https://bugzilla.redhat.com/show_bug.cgi?id=1249603
https://security.gentoo.org/glsa/201706-19
https://sourceware.org/bugzilla/attachment.cgi?id=8492
https://sourceware.org/bugzilla/show_bug.cgi?id=18784
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fc82b0a2dfe7dbd35671c10510a8da1043d746a5
Source: MITRE
Published: 2017-06-27
Updated: 2018-04-12
Type: CWE-476
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH