CVE-2016-8618

The libcurl API function called `curl_maprintf()` before version 7.51.0 can be tricked into doing a double-free due to an unsafe `size_t` multiplication, on systems using 32 bit `size_t` variables.

• CWE-416
• CWE-415

• http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
• http://www.securityfocus.com/bid/94098Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1037192Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2018:2486Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3558
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8618Issue Tracking, Patch, Third Party Advisory
• https://curl.haxx.se/docs/adv_20161102D.htmlPatch, Vendor Advisory
• https://security.gentoo.org/glsa/201701-47Third Party Advisory
• https://www.tenable.com/security/tns-2016-21Third Party Advisory
• http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
• http://www.securityfocus.com/bid/94098Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1037192Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2018:2486Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3558
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8618Issue Tracking, Patch, Third Party Advisory
• https://curl.haxx.se/docs/adv_20161102D.htmlPatch, Vendor Advisory
• https://security.gentoo.org/glsa/201701-47Third Party Advisory
• https://www.tenable.com/security/tns-2016-21Third Party Advisory

Published

Jul 31, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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