CVE-2016-8618

MEDIUM

libcurl <7.51.0 - Use After Free

Title source: llm

Description

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.

References (9)

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/94098

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1037192

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2018:2486

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8618

[Patch, Vendor Advisory] https://curl.haxx.se/docs/adv_20161102D.html

[Third Party Advisory] https://security.gentoo.org/glsa/201701-47

[Third Party Advisory] https://www.tenable.com/security/tns-2016-21

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2018:3558

[Vendor Advisory] http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html

Scores

CVSS v3 5.3

EPSS 0.0122

EPSS Percentile 78.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Classification

CWE

CWE-415 CWE-416

Status published

Affected Products (1)

haxx/curl < 7.51.0

Timeline

Published Jul 31, 2018

Tracked Since Feb 18, 2026