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CVE-2018-16840

Public on 2018-10-31
Modified on 2019-02-18
Description

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.

Severity
Low
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CVSS v3 Base Score
5.0
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 curl 2019-01-21 23:46 ALAS-2019-1148
Amazon Linux 2 - Core curl 2019-02-16 00:34 ALAS2-2019-1162

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.0 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD CVSSv2 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD CVSSv3 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H