CVE-2019-20838 Information

Description

libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled and \X or \R has more than one fixed quantifier a related issue to CVE-2019-20454.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://bugs.gentoo.org/717920 https://support.apple.com/kb/HT211931 https://www.pcre.org/original/changelog.txt

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5