HIGH
Multiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl before 7.50.3 allow attackers to have unspecified impact via a string of length 0xffffffff, which triggers a heap-based buffer overflow.
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/bid/92975
http://www.securitytracker.com/id/1036813
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.538632
https://access.redhat.com/errata/RHSA-2017:2016
https://access.redhat.com/errata/RHSA-2018:2486
https://access.redhat.com/errata/RHSA-2018:3558
https://curl.haxx.se/docs/adv_20160914.html
https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
Source: MITRE
Published: 2016-10-07
Updated: 2018-11-13
Type: CWE-190
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL