CVE-2020-29562

Public on 2020-12-04
Modified on 2021-02-19
Description
A denial of service flaw was found in the way glibc's iconv function handled UCS4 text containing an irreversible character. This flaw causes an application compiled with glibc and using the vulnerable function to terminate with an assertion, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Severity
Medium severity
Medium
CVSS v3 Base Score
4.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core glibc 2021-02-19 ALAS2-2021-1605 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.8 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
NVD CVSSv2 2.1 AV:N/AC:H/Au:S/C:N/I:N/A:P
NVD CVSSv3 4.8 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H