An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A number of heap-based buffer over-read instances are present in mbstring regular expression functions when supplied with invalid multibyte data. These occur in ext/mbstring/oniguruma/regcomp.c, ext/mbstring/oniguruma/regexec.c, ext/mbstring/oniguruma/regparse.c, ext/mbstring/oniguruma/enc/unicode.c, and ext/mbstring/oniguruma/src/utf32_be.c when a multibyte regular expression pattern contains invalid multibyte sequences.
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Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2019-02-22T23:00:00
Updated: 2024-08-04T21:38:45.186Z
Reserved: 2019-02-22T00:00:00
Link: CVE-2019-9023
Vulnrichment
No data.
NVD
Status : Modified
Published: 2019-02-22T23:29:00.487
Modified: 2024-11-21T04:50:49.980
Link: CVE-2019-9023
Redhat