Vulnerability · Published Nov 14, 2022 · Assigned by php

CVE-2022-31630OOB read due to insufficient input validation in imageloadfont()

Medium 6.5

In plain English

A medium-severity integer overflow in PHP from PHP Group. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.3%top 29.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information. 

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8apcu-panel5.1.20-1.module_el8.6.0+2739+efabdb8fALSA-2023:0848
AlmaLinux:8apcu-panel5.1.18-1.module_el8.6.0+2750+78feabcbALSA-2023:2903
AlmaLinux:9apcu-panel5.1.21-1.module_el9.1.0+15+94ba28e4ALSA-2023:2417
AlmaLinux:8libzip1.6.1-1.module_el8.6.0+2750+78feabcbALSA-2023:2903
AlmaLinux:8libzip1.7.3-1.module_el8.6.0+2739+efabdb8fALSA-2023:0848
AlmaLinux:8libzip1.6.1-1.module_el8.6.0+3239+bedf0508ALSA-2023:2903
AlmaLinux:8libzip1.7.3-1.module_el8.6.0+3061+6878dd1bALSA-2023:0848
AlmaLinux:8libzip-devel1.6.1-1.module_el8.6.0+3239+bedf0508ALSA-2023:2903
AlmaLinux:8libzip-devel1.7.3-1.module_el8.6.0+2739+efabdb8fALSA-2023:0848
AlmaLinux:8libzip-devel1.7.3-1.module_el8.6.0+3061+6878dd1bALSA-2023:0848
AlmaLinux:8libzip-devel1.6.1-1.module_el8.6.0+2750+78feabcbALSA-2023:2903
AlmaLinux:8libzip-tools1.6.1-1.module_el8.6.0+2750+78feabcbALSA-2023:2903
AlmaLinux:8libzip-tools1.6.1-1.module_el8.6.0+3239+bedf0508ALSA-2023:2903
AlmaLinux:8libzip-tools1.7.3-1.module_el8.6.0+3061+6878dd1bALSA-2023:0848
AlmaLinux:8libzip-tools1.7.3-1.module_el8.6.0+2739+efabdb8fALSA-2023:0848
AlmaLinux:8php8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:8php7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:9php8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-bcmath8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:8php-bcmath7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:9php-bcmath8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-bcmath8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-cli7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:8php-cli8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:9php-cli8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-cli8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-common8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:8php-common7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:9php-common8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:9php-common8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:8php-dba7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:8php-dba8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:9php-dba8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:9php-dba8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:8php-dbg8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:8php-dbg7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:9php-dbg8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-dbg8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-devel7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:8php-devel8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:9php-devel8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-devel8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-embedded8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:8php-embedded7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:9php-embedded8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:9php-embedded8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:8php-enchant7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:8php-enchant8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:9php-enchant8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-enchant8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-ffi8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:8php-ffi7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:9php-ffi8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:9php-ffi8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:8php-fpm8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:8php-fpm7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:9php-fpm8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-fpm8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-gd7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:8php-gd8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:9php-gd8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-gd8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-gmp7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:8php-gmp8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:9php-gmp8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-gmp8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-intl8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:8php-intl7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:9php-intl8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-intl8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-json7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:8php-ldap8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:8php-ldap7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:9php-ldap8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:9php-ldap8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:8php-mbstring7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:8php-mbstring8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:9php-mbstring8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:9php-mbstring8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:8php-mysqlnd7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:8php-mysqlnd8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:9php-mysqlnd8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-mysqlnd8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-odbc7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:8php-odbc8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:9php-odbc8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:9php-odbc8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:8php-opcache8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:8php-opcache7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:9php-opcache8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:9php-opcache8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:8php-pdo8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:8php-pdo7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:9php-pdo8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:9php-pdo8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:8php-pear1:1.10.13-1.module_el8.6.0+3268+b150a051ALSA-2023:2903
AlmaLinux:8php-pear1:1.10.13-1.module_el8.6.0+2739+efabdb8fALSA-2023:0848
AlmaLinux:8php-pecl-apcu5.1.18-1.module_el8.6.0+3239+bedf0508ALSA-2023:2903
AlmaLinux:8php-pecl-apcu5.1.20-1.module_el8.6.0+3061+6878dd1bALSA-2023:0848
AlmaLinux:8php-pecl-apcu5.1.20-1.module_el8.6.0+2739+efabdb8fALSA-2023:0848
AlmaLinux:8php-pecl-apcu5.1.18-1.module_el8.6.0+2750+78feabcbALSA-2023:2903
AlmaLinux:9php-pecl-apcu5.1.21-1.module_el9.1.0+15+94ba28e4ALSA-2023:2417
AlmaLinux:8php-pecl-apcu-devel5.1.18-1.module_el8.6.0+2750+78feabcbALSA-2023:2903
AlmaLinux:8php-pecl-apcu-devel5.1.20-1.module_el8.6.0+3061+6878dd1bALSA-2023:0848
AlmaLinux:8php-pecl-apcu-devel5.1.20-1.module_el8.6.0+2739+efabdb8fALSA-2023:0848
AlmaLinux:8php-pecl-apcu-devel5.1.18-1.module_el8.6.0+3239+bedf0508ALSA-2023:2903
AlmaLinux:9php-pecl-apcu-devel5.1.21-1.module_el9.1.0+15+94ba28e4ALSA-2023:2417
AlmaLinux:8php-pecl-rrd2.0.1-1.module_el8.6.0+2750+78feabcbALSA-2023:2903
AlmaLinux:8php-pecl-rrd2.0.3-1.module_el8.6.0+2739+efabdb8fALSA-2023:0848
AlmaLinux:8php-pecl-rrd2.0.1-1.module_el8.6.0+3239+bedf0508ALSA-2023:2903
AlmaLinux:8php-pecl-rrd2.0.3-1.module_el8.6.0+3061+6878dd1bALSA-2023:0848
AlmaLinux:9php-pecl-rrd2.0.3-4.module_el9.1.0+15+94ba28e4ALSA-2023:2417
AlmaLinux:8php-pecl-xdebug2.9.5-1.module_el8.6.0+2750+78feabcbALSA-2023:2903
AlmaLinux:8php-pecl-xdebug2.9.5-1.module_el8.6.0+3239+bedf0508ALSA-2023:2903
AlmaLinux:8php-pecl-xdebug33.1.2-1.module_el8.6.0+2739+efabdb8fALSA-2023:0848
AlmaLinux:8php-pecl-xdebug33.1.2-1.module_el8.6.0+3061+6878dd1bALSA-2023:0848
AlmaLinux:9php-pecl-xdebug33.1.4-1.module_el9.1.0+15+94ba28e4ALSA-2023:2417
AlmaLinux:8php-pecl-zip1.18.2-1.module_el8.6.0+3239+bedf0508ALSA-2023:2903
AlmaLinux:8php-pecl-zip1.18.2-1.module_el8.6.0+2750+78feabcbALSA-2023:2903
AlmaLinux:8php-pecl-zip1.19.2-1.module_el8.6.0+3061+6878dd1bALSA-2023:0848
AlmaLinux:8php-pecl-zip1.19.2-1.module_el8.6.0+2739+efabdb8fALSA-2023:0848
AlmaLinux:9php-pecl-zip1.20.1-1.module_el9.1.0+15+94ba28e4ALSA-2023:2417
AlmaLinux:8php-pgsql7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:8php-pgsql8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:9php-pgsql8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-pgsql8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-process7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:8php-process8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:9php-process8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-process8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-snmp7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:8php-snmp8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:9php-snmp8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-snmp8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-soap8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:8php-soap7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:9php-soap8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:9php-soap8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:8php-xml8.0.27-1.module_el8.7.0+3401+dfb61c00ALSA-2023:0848
AlmaLinux:8php-xml7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
AlmaLinux:9php-xml8.0.27-1.el9_1ALSA-2023:0965
AlmaLinux:9php-xml8.1.14-1.module_el9.2.0+24+ca6bd7c2ALSA-2023:2417
AlmaLinux:8php-xmlrpc7.4.33-1.module_el8.8.0+3477+f828cbb0ALSA-2023:2903
Alpine:v3.20php828.2.0_rc5-r0ALPINE-CVE-2022-31630
Alpine:v3.21php828.2.0_rc5-r0ALPINE-CVE-2022-31630
Alpine:v3.22php828.2.0_rc5-r0ALPINE-CVE-2022-31630
Rocky Linux:8libzip0:1.6.1-1.module+el8.10.0+1604+6558efc7RLSA-2023:2903
Rocky Linux:8libzip0:1.7.3-1.module+el8.6.0+790+fc63e43fRLSA-2023:0848
Rocky Linux:8libzip0:1.6.1-1.module+el8.10.0+1912+72767185RLSA-2023:2903
Rocky Linux:8php0:7.4.33-1.module+el8.10.0+1604+6558efc7RLSA-2023:2903
Rocky Linux:8php0:8.0.27-1.module+el8.7.0+1156+de6c8de9RLSA-2023:0848
Rocky Linux:9php0:8.0.27-1.el9_1RLSA-2023:0965
Rocky Linux:8php-pear1:1.10.13-1.module+el8.7.0+1067+0a7071ccRLSA-2023:0848
Rocky Linux:8php-pear1:1.10.13-1.module+el8.10.0+1605+02e07af7RLSA-2023:2903
Rocky Linux:8php-pear1:1.10.13-1.module+el8.10.0+1604+6558efc7RLSA-2023:2903
Rocky Linux:8php-pear1:1.10.13-1.module+el8.10.0+1912+72767185RLSA-2023:2903
Rocky Linux:8php-pecl-apcu0:5.1.20-1.module+el8.6.0+790+fc63e43fRLSA-2023:0848
Rocky Linux:8php-pecl-apcu0:5.1.18-1.module+el8.10.0+1912+72767185RLSA-2023:2903
Rocky Linux:8php-pecl-apcu0:5.1.18-1.module+el8.10.0+1604+6558efc7RLSA-2023:2903
Rocky Linux:9php-pecl-apcu0:5.1.21-1.module+el9.7.0+40003+454ed3c4RLSA-2023:2417
Rocky Linux:8php-pecl-rrd0:2.0.3-1.module+el8.6.0+790+fc63e43fRLSA-2023:0848
Rocky Linux:8php-pecl-rrd0:2.0.1-1.module+el8.4.0+414+2e7afcddRLSA-2023:2903
Rocky Linux:8php-pecl-rrd0:2.0.1-1.module+el8.10.0+1604+6558efc7RLSA-2023:2903
Rocky Linux:8php-pecl-rrd0:2.0.1-1.module+el8.10.0+1912+72767185RLSA-2023:2903
Rocky Linux:9php-pecl-rrd0:2.0.3-4.module+el9.7.0+40005+715283ecRLSA-2023:2417
Rocky Linux:9php-pecl-rrd0:2.0.3-4.module+el9.7.0+40004+bf50a568RLSA-2023:2417
Rocky Linux:9php-pecl-rrd0:2.0.3-4.module+el9.7.0+40003+454ed3c4RLSA-2023:2417
Rocky Linux:8php-pecl-xdebug0:2.9.5-1.module+el8.10.0+1912+72767185RLSA-2023:2903
Rocky Linux:8php-pecl-xdebug0:2.9.5-1.module+el8.10.0+1604+6558efc7RLSA-2023:2903
Rocky Linux:8php-pecl-xdebug30:3.1.2-1.module+el8.6.0+790+fc63e43fRLSA-2023:0848
Rocky Linux:9php-pecl-xdebug30:3.1.4-1.module+el9.7.0+40003+454ed3c4RLSA-2023:2417
Rocky Linux:8php-pecl-zip0:1.18.2-1.module+el8.10.0+1912+72767185RLSA-2023:2903
Rocky Linux:8php-pecl-zip0:1.18.2-1.module+el8.10.0+1604+6558efc7RLSA-2023:2903
Rocky Linux:8php-pecl-zip0:1.19.2-1.module+el8.6.0+790+fc63e43fRLSA-2023:0848
Rocky Linux:9php-pecl-zip0:1.20.1-1.module+el9.7.0+40003+454ed3c4RLSA-2023:2417
Ubuntu:22.04:LTSphp8.18.1.2-1ubuntu2.8USN-5717-1
Ubuntu:22.04:LTSphp8.18.1.2-1ubuntu2.8UBUNTU-CVE-2022-31630

Affected products (as reported)

VendorProductVersions
PHP Group PHP 7.4.x – before 7.4.338.0.x – before 8.0.258.1.x – before 8.1.12

Weakness: CWE-131, CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

References