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CVE-2018-16840

Published: 31 October 2018

A heap use-after-free flaw was found in curl versions from 7.59.0 through 7.61.1 in the code related to closing an easy handle. When closing and cleaning up an 'easy' handle in the `Curl_close()` function, the library code first frees a struct (without nulling the pointer) and might then subsequently erroneously write to a struct field within that already freed struct.

Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
curl
Launchpad, Ubuntu, Debian
Upstream Pending
(7.62.0)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(7.58.0-2ubuntu3.3)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable

Ubuntu 14.04 ESM (Trusty Tahr) Not vulnerable