CVE-2019-20454

CVE Details

Release Date:

2020-02-14

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.

See more information about CVE-2019-20454 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:	7.5	Base Metrics:	AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (libzip)	ELSA-2020-3662	2020-09-09
Oracle Linux version 8 (pcre2)	ELSA-2020-4539	2020-11-10
Oracle Linux version 8 (php)	ELSA-2020-3662	2020-09-09
Oracle Linux version 8 (php-pear)	ELSA-2020-3662	2020-09-09
Oracle Linux version 8 (php-pecl-apcu)	ELSA-2020-3662	2020-09-09
Oracle Linux version 8 (php-pecl-rrd)	ELSA-2020-3662	2020-09-09
Oracle Linux version 8 (php-pecl-xdebug)	ELSA-2020-3662	2020-09-09
Oracle Linux version 8 (php-pecl-zip)	ELSA-2020-3662	2020-09-09

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