CVE-2019-19246: 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

High severity · published Nov 25, 2019

CVE-2019-19246

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

7.5

CVSS

EPSS

On KEV

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

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)3.0% · higher than 87% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

PHP · PHP

7.3.0 before 7.3.10 · source: NVD

Debian Linux · Debian

8.0 · source: NVD

Fedora · Fedoraproject

31 · source: NVD

Oniguruma · Oniguruma Project

through 6.9.3 · source: NVD

Ubuntu Linux · Canonical

14.04 · source: NVD

Affected product

PHP

All PHP CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2019-19246

CVE.org

https://www.cve.org/CVERecord?id=CVE-2019-19246

Third Party Advisory

https://bugs.php.net/bug.php?id=78559

Patch

https://github.com/kkos/oniguruma/commit/d3e402928b6eb3327f8f7d59a9edfa622fec557b

Mailing List

https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/

Third Party Advisory

https://usn.ubuntu.com/4460-1/