CVE-2019-19246
High
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.
Exploit probability
3.0%
Published
November 25, 2019
Required by
Not available
Last source change
August 7, 2026
02 / AFFECTED SOFTWARE
Affected packages
24 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2019-19246
View original source
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.
05 / REFERENCES
Further evidence
- 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/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
- https://usn.ubuntu.com/4460-1/