CVE-2019-19246 Information

Description

Oniguruma through 6.9.3 as used in PHP 7.3.x and other products has a heap-based buffer over-read in str_lower_case_match in regexec.c.

CVSS Vector

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

Reference

https://bugs.php.net/bug.php?id=78559 https://github.com/kkos/oniguruma/commit/d3e402928b6eb3327f8f7d59a9edfa622fec557b https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html https://lists.fedoraproject.org/archives/list/[email protected]/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/ https://usn.ubuntu.com/4460-1/

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