CVE-2019-19246

high

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.

References

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/

Details

Source: MITRE

Published: 2019-11-25

Updated: 2020-08-24

Type: CWE-125

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH