vulnerability

Rocky Linux: CVE-2019-20454: pcre2 (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Feb 14, 2020
Added
Mar 12, 2024
Modified
Aug 13, 2025

Description

An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, which would allow an attacker to crash the application. The flaw occurs in do_extuni_no_utf in pcre2_jit_compile.c.

Solutions

rocky-upgrade-libziprocky-upgrade-libzip-debuginforocky-upgrade-libzip-debugsourcerocky-upgrade-libzip-develrocky-upgrade-libzip-toolsrocky-upgrade-libzip-tools-debuginforocky-upgrade-pcre2rocky-upgrade-pcre2-debuginforocky-upgrade-pcre2-debugsourcerocky-upgrade-pcre2-develrocky-upgrade-pcre2-toolsrocky-upgrade-pcre2-tools-debuginforocky-upgrade-pcre2-utf16rocky-upgrade-pcre2-utf16-debuginforocky-upgrade-pcre2-utf32rocky-upgrade-pcre2-utf32-debuginforocky-upgrade-phprocky-upgrade-php-bcmathrocky-upgrade-php-bcmath-debuginforocky-upgrade-php-clirocky-upgrade-php-cli-debuginforocky-upgrade-php-commonrocky-upgrade-php-common-debuginforocky-upgrade-php-dbarocky-upgrade-php-dba-debuginforocky-upgrade-php-dbgrocky-upgrade-php-dbg-debuginforocky-upgrade-php-debuginforocky-upgrade-php-debugsourcerocky-upgrade-php-develrocky-upgrade-php-embeddedrocky-upgrade-php-embedded-debuginforocky-upgrade-php-enchantrocky-upgrade-php-enchant-debuginforocky-upgrade-php-fpmrocky-upgrade-php-fpm-debuginforocky-upgrade-php-gdrocky-upgrade-php-gd-debuginforocky-upgrade-php-gmprocky-upgrade-php-gmp-debuginforocky-upgrade-php-intlrocky-upgrade-php-intl-debuginforocky-upgrade-php-jsonrocky-upgrade-php-json-debuginforocky-upgrade-php-ldaprocky-upgrade-php-ldap-debuginforocky-upgrade-php-mbstringrocky-upgrade-php-mbstring-debuginforocky-upgrade-php-mysqlndrocky-upgrade-php-mysqlnd-debuginforocky-upgrade-php-odbcrocky-upgrade-php-odbc-debuginforocky-upgrade-php-opcacherocky-upgrade-php-opcache-debuginforocky-upgrade-php-pdorocky-upgrade-php-pdo-debuginforocky-upgrade-php-pecl-apcurocky-upgrade-php-pecl-apcu-debuginforocky-upgrade-php-pecl-apcu-debugsourcerocky-upgrade-php-pecl-apcu-develrocky-upgrade-php-pecl-rrdrocky-upgrade-php-pecl-rrd-debuginforocky-upgrade-php-pecl-rrd-debugsourcerocky-upgrade-php-pecl-xdebugrocky-upgrade-php-pecl-xdebug-debuginforocky-upgrade-php-pecl-xdebug-debugsourcerocky-upgrade-php-pecl-ziprocky-upgrade-php-pecl-zip-debuginforocky-upgrade-php-pecl-zip-debugsourcerocky-upgrade-php-pgsqlrocky-upgrade-php-pgsql-debuginforocky-upgrade-php-processrocky-upgrade-php-process-debuginforocky-upgrade-php-recoderocky-upgrade-php-recode-debuginforocky-upgrade-php-snmprocky-upgrade-php-snmp-debuginforocky-upgrade-php-soaprocky-upgrade-php-soap-debuginforocky-upgrade-php-xmlrocky-upgrade-php-xml-debuginforocky-upgrade-php-xmlrpcrocky-upgrade-php-xmlrpc-debuginfo
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.