CVEvulnerability

CVE-2019-9023

9.8 CRITICAL Published 2019-02-22 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-02-22
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-125

Description

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.

Affected configurations

• php php (< 5.6.40) • php php (>= 7.0.0 < 7.1.26) • php php (>= 7.2.0 < 7.2.14) • php php (>= 7.3.0 < 7.3.1) • debian debian linux 9.0 • canonical ubuntu linux 12.04 • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • netapp storage automation store • opensuse leap 42.3

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References