UpHeron
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Servers and applications

CVE-2019-9023

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,…

Severity
Critical 9.8
Published
22 Feb 2019
Last changed
17 Jun 2026
Added to UpHeron
14 Oct 2026
Fixed in
5.6.40, 7.1.26, 7.2.14, 7.3.1
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • Every version before 5.6.40
  • From 7.0.0 before 7.1.26
  • From 7.2.0 before 7.2.14
  • From 7.3.0 before 7.3.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-9023
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-9023