Vulnerability Database

289,599

Total vulnerabilities in the database

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, ext/mbstring/oniguruma/enc/unicode.c, and ext/mbstring/oniguruma/src/utf32_be.c when a multibyte regular expression pattern contains invalid multibyte sequences.

  • Published: Feb 23, 2019
  • Updated: Apr 13, 2023
  • CVE: CVE-2019-9023
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
php / php 7.2.0 7.2.14
php / php 7.0.0 7.1.26
php / php - 5.6.40
php / php 7.3.0 7.3.1
debian / debian_linux 9.0 9.0.x
canonical / ubuntu_linux 16.04 16.04.x
canonical / ubuntu_linux 14.04 14.04.x
canonical / ubuntu_linux 12.04 12.04.x
opensuse / leap 42.3 42.3.x