What’s Vulnerable › Vulnerabilities

CVE-2017-8816

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 8.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-29 · updated 2026-06-17
• Weakness: CWE-190

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.

Affected products

• Debian Linux: 8.0, 9.0
• curl: from 7.36.0 (excl.) through 7.56.1
• curl: from 7.36.0 through 7.56.1

References

• 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
• https://security.gentoo.org/glsa/201712-04
• https://www.debian.org/security/2017/dsa-4051
• 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

Get alerted when CVE-2017-8816 or the next vulnerability affects your stack