CVE-2019-9023

CRITICAL

Php < 5.6.40 - Out-of-Bounds Read

Title source: rule
STIX 2.1

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.

References (19)

Core 19
Core References
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3902-2/
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://bugs.php.net/bug.php?id=77382
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://bugs.php.net/bug.php?id=77418
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2019/dsa-4398
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://bugs.php.net/bug.php?id=77371
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3902-1/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/107156
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://bugs.php.net/bug.php?id=77370
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://bugs.php.net/bug.php?id=77385
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://bugs.php.net/bug.php?id=77394
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://bugs.php.net/bug.php?id=77381
Patch, Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190321-0001/
Third Party Advisory x_refsource_confirm
https://support.f5.com/csp/article/K06372014
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2519
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3299

Scores

CVSS v3 9.8
EPSS 0.1050
EPSS Percentile 93.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-125
Status published
Products (7)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
debian/debian_linux 9.0
netapp/storage_automation_store
opensuse/leap 42.3
php/php < 5.6.40
Published Feb 22, 2019
Tracked Since Feb 18, 2026