CVE-2017-8816

curl: NTLM buffer overflow via integer overflow

Published Nov 29, 2017 CVSS 3.1 · 9.8 Critical EPSS 8.5% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DSA Debian DSA DSA-4051-1 curl security update
EUVD EUVD EUVD-2017-17759 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.
Ubuntu USN Ubuntu USN USN-3498-1 curl vulnerabilities
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
debian
Published
Updated
Apr 15, 2026, 9:01 PM
Reserved
May 7, 2017, 12:00 AM
Status
Modified
Published
Nov 29, 2017, 6:29 PM
Modified
Jun 17, 2026, 1:27 AM
Severity
Moderate
Public date
Nov 29, 2017, 12:00 AM