CVE-2020-26159

Public on 2020-09-30
Modified on 2020-11-11
Description
A flaw was found in oniguruma. An attacker, able to supply a regular expression for compilation, may be able to overflow a buffer by one byte in concat_opt_exact_str in src/regcomp.c .
Severity
Medium severity
Medium
CVSS v3 Base Score
8.6
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core oniguruma 2020-11-09 ALAS2-2020-1560 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H