CVE-2016-7167: Fedoraproject Fedora

Critical severity, CVSS 9.8. EPSS: 11.7% chance of exploitation in the next 30 days.

Multiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl before 7.50.3 allow attackers to have unspecified impact via a string of length 0xffffffff, which triggers a heap-based buffer overflow.

Affected products

  • Fedoraproject Fedora: version 23 only; version 24 only; version 25 only
  • Haxx Libcurl: up to and including 7.50.2

Published 2016-10-07. Last modified 2026-06-17.