CVE-2020-7065
mb_strtolower (UTF-32LE): stack-buffer-overflow at php_unicode_tolower_full
02 Description
mb_strtolower (UTF-32LE): stack-buffer-overflow at php_unicode_tolower_full
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 4.88% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.9% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-04-01 03:35Z6 YR AGO
- Last updated
- 2024-09-17 04:25Z2 YR AGO
- Reserved
- 2020-01-15
- Assigning CNA
- php
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.4)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
- Weaknesses
- Data version
- 5.1
- Document digest
- 22a170f811182505530cf6bfa4c4dc67cbc90736998d0e1ad340ede13e9355da
05 Affected products
06 References
- usn.ubuntu.comUSN-4330-1https://usn.ubuntu.com/4330-1/
- usn.ubuntu.comUSN-4330-2https://usn.ubuntu.com/4330-2/
- www.debian.orgDSA-4719https://www.debian.org/security/2020/dsa-4719
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20200403-0001/
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2021.html
- bugs.php.nethttps://bugs.php.net/bug.php?id=79371
- www.php.nethttps://www.php.net/ChangeLog-7.php#7.4.4
- www.tenable.comhttps://www.tenable.com/security/tns-2021-14
07 Fixed in
AlmaLinux 8
- apcu-panel Fixed in 5.1.17-1.module_el8.3.0+2009+b272fdef
- libzip Fixed
A version is affected if any line below covers it.
- Affected before 1.5.2-1.module_el8.3.0+2009+b272fdef
- Affected before 1.5.2-1.module_el8.4.0+2229+b272fdef
- Affected before 1.5.2-1.module_el8.5.0+152+112d3b8c
- libzip-devel Fixed
A version is affected if any line below covers it.
- Affected before 1.5.2-1.module_el8.3.0+2009+b272fdef
- Affected before 1.5.2-1.module_el8.4.0+2229+b272fdef
- Affected before 1.5.2-1.module_el8.5.0+152+112d3b8c
- libzip-tools Fixed
A version is affected if any line below covers it.
- Affected before 1.5.2-1.module_el8.3.0+2009+b272fdef
- Affected before 1.5.2-1.module_el8.4.0+2229+b272fdef
- Affected before 1.5.2-1.module_el8.5.0+152+112d3b8c
- php Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-bcmath Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-cli Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-common Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-dba Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-dbg Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-devel Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-embedded Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-enchant Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-fpm Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-gd Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-gmp Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-intl Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-json Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-ldap Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-mbstring Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-mysqlnd Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-odbc Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-opcache Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-pdo Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-pear Fixed in 1:1.10.9-1.module_el8.3.0+2009+b272fdef
- php-pecl-apcu Fixed
A version is affected if any line below covers it.
- Affected before 5.1.17-1.module_el8.3.0+2009+b272fdef
- Affected before 5.1.17-1.module_el8.4.0+2229+b272fdef
- Affected before 5.1.17-1.module_el8.5.0+152+112d3b8c
- php-pecl-apcu-devel Fixed
A version is affected if any line below covers it.
- Affected before 5.1.17-1.module_el8.3.0+2009+b272fdef
- Affected before 5.1.17-1.module_el8.4.0+2229+b272fdef
- Affected before 5.1.17-1.module_el8.5.0+152+112d3b8c
- php-pecl-rrd Fixed
A version is affected if any line below covers it.
- Affected before 2.0.1-1.module_el8.3.0+2009+b272fdef
- Affected before 2.0.1-1.module_el8.4.0+2229+b272fdef
- Affected before 2.0.1-1.module_el8.6.0+2750+78feabcb
- php-pecl-xdebug Fixed
A version is affected if any line below covers it.
- Affected before 2.8.0-1.module_el8.3.0+2009+b272fdef
- Affected before 2.8.0-1.module_el8.4.0+2229+b272fdef
- Affected before 2.8.0-1.module_el8.5.0+152+112d3b8c
- php-pecl-zip Fixed
A version is affected if any line below covers it.
- Affected before 1.15.4-1.module_el8.3.0+2009+b272fdef
- Affected before 1.15.4-1.module_el8.4.0+2229+b272fdef
- Affected before 1.15.4-1.module_el8.5.0+152+112d3b8c
- php-pgsql Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-process Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-recode Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-snmp Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-soap Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-xml Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-xmlrpc Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- apcu-panel Fixed in 5.1.17-1.module_el8.3.0+2009+b272fdef
- libzip Fixed
A version is affected if any line below covers it.
- Affected before 1.5.2-1.module_el8.3.0+2009+b272fdef
- Affected before 1.5.2-1.module_el8.4.0+2229+b272fdef
- Affected before 1.5.2-1.module_el8.5.0+152+112d3b8c
- libzip-devel Fixed
A version is affected if any line below covers it.
- Affected before 1.5.2-1.module_el8.3.0+2009+b272fdef
- Affected before 1.5.2-1.module_el8.4.0+2229+b272fdef
- Affected before 1.5.2-1.module_el8.5.0+152+112d3b8c
- libzip-tools Fixed
A version is affected if any line below covers it.
- Affected before 1.5.2-1.module_el8.3.0+2009+b272fdef
- Affected before 1.5.2-1.module_el8.4.0+2229+b272fdef
- Affected before 1.5.2-1.module_el8.5.0+152+112d3b8c
- php Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-bcmath Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-cli Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-common Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-dba Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-dbg Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-devel Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-embedded Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-enchant Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-fpm Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-gd Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-gmp Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-intl Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-json Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-ldap Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-mbstring Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-mysqlnd Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-odbc Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-opcache Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-pdo Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-pear Fixed in 1:1.10.9-1.module_el8.3.0+2009+b272fdef
- php-pecl-apcu Fixed
A version is affected if any line below covers it.
- Affected before 5.1.17-1.module_el8.3.0+2009+b272fdef
- Affected before 5.1.17-1.module_el8.4.0+2229+b272fdef
- Affected before 5.1.17-1.module_el8.5.0+152+112d3b8c
- php-pecl-apcu-devel Fixed
A version is affected if any line below covers it.
- Affected before 5.1.17-1.module_el8.3.0+2009+b272fdef
- Affected before 5.1.17-1.module_el8.4.0+2229+b272fdef
- Affected before 5.1.17-1.module_el8.5.0+152+112d3b8c
- php-pecl-rrd Fixed
A version is affected if any line below covers it.
- Affected before 2.0.1-1.module_el8.3.0+2009+b272fdef
- Affected before 2.0.1-1.module_el8.4.0+2229+b272fdef
- Affected before 2.0.1-1.module_el8.6.0+2750+78feabcb
- php-pecl-xdebug Fixed
A version is affected if any line below covers it.
- Affected before 2.8.0-1.module_el8.3.0+2009+b272fdef
- Affected before 2.8.0-1.module_el8.4.0+2229+b272fdef
- Affected before 2.8.0-1.module_el8.5.0+152+112d3b8c
- php-pecl-zip Fixed
A version is affected if any line below covers it.
- Affected before 1.15.4-1.module_el8.3.0+2009+b272fdef
- Affected before 1.15.4-1.module_el8.4.0+2229+b272fdef
- Affected before 1.15.4-1.module_el8.5.0+152+112d3b8c
- php-pgsql Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-process Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-recode Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-snmp Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-soap Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-xml Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
- php-xmlrpc Fixed
A version is affected if any line below covers it.
- Affected before 7.3.20-1.module_el8.3.0+2009+b272fdef
- Affected before 7.3.20-1.module_el8.4.0+2229+b272fdef
- Affected before 7.3.20-1.module_el8.5.0+152+112d3b8c
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 11
- php7.4 Fixed in 7.4.5-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- php7.4 Fixed in 7.4.3-4ubuntu1.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.