CVE-2019-9023

CVE Details

Release Date:2019-02-22

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.

See more information about CVE-2019-9023 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 9.8 Base Metrics: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector: Network Attack Complexity: Low
Privileges Required: None User Interaction: None
Scope: Unchanged Confidentiality Impact: High
Integrity Impact: High Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 8 (libzip)ELSA-2020-16242020-05-05
Oracle Linux version 8 (php)ELSA-2020-16242020-05-05
Oracle Linux version 8 (php-pear)ELSA-2020-16242020-05-05
Oracle Linux version 8 (php-pecl-apcu)ELSA-2020-16242020-05-05
Oracle Linux version 8 (php-pecl-zip)ELSA-2020-16242020-05-05



This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team

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