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Out-of-bounds Read Affecting php7.0 package, versions <7.0.33-0ubuntu0.16.04.2

Severity

 Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
1.03% (85th percentile)

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  • Snyk IDSNYK-UBUNTU1604-PHP70-338357
  • published22 Feb 2019
  • disclosed22 Feb 2019
Report a new vulnerability Found a mistake?

Introduced: 22 Feb 2019

CVE-2019-9023  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 php7.0 to version 7.0.33-0ubuntu0.16.04.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php7.0 package and not the php7.0 package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

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.

References