CVE-2019-19246

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.30%
Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/kkos/oniguruma/commit/d3e402928b6eb3327f8f7d59a9edfa622fec557b third party advisory patch
https://bugs.php.net/bug.php?id=78559 third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/ vendor advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html third party advisory mailing list
https://usn.ubuntu.com/4460-1/ third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-19246?
CVE-2019-19246 has been scored as a high severity vulnerability.
How to fix CVE-2019-19246?
To fix CVE-2019-19246, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-19246 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-19246 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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