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CVE-2019-18397

Public on 2019-11-13
Modified on 2020-06-03
Description

A heap-based buffer overflow vulnerability was found in GNU FriBidi, an implementation of the Unicode Bidirectional Algorithm (bidi). When the flaw is triggered it's possible to manipulate the heap contents, leading to memory corruption causing a denial of service and to arbitrary code execution. The highest threat from this flaw to both data and system availability.

Severity
Important
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CVSS v3 Base Score
7.8
See breakdown
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core fribidi 2020-06-03 18:24 ALAS2-2020-1434

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVSSv2 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H