The NTLM authentication feature in curl and libcurl before 7.57.0 on 32-bit platforms allows attackers to cause a denial of service (integer overflow and resultant buffer overflow, and application crash) or possibly have unspecified other impact via vectors involving long user and password fields.
http://security.cucumberlinux.com/security/details.php?id=161
http://www.securityfocus.com/bid/101998
http://www.securitytracker.com/id/1039896
http://www.securitytracker.com/id/1040608
https://access.redhat.com/errata/RHSA-2018:3558
https://curl.haxx.se/docs/adv_2017-12e7.html
Source: MITRE
Published: 2017-11-29
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