CVE-2024-2757
libapache2-mod-php8.3: In PHP 8.3.* before 8.3.5, function mb_encode_mimeheader() runs endlessly for some inputs that contain long strings o...
CVE-2024-2757 is fixed in 34 products on 1 platform, first by libapache2-mod-php8.3 8.3.6-0maysync1, released April 28, 2024. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0192
80th percentile
In PHP 8.3.* before 8.3.5, function mb_encode_mimeheader() runs endlessly for some inputs that contain long strings of non-space characters followed by a space. This could lead to a potential DoS attack if a hostile user sends data to an application that uses this function.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libapache2-mod-php8.3 · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | libapache2-mod-php8.3 8.3.6-0maysync1 | Apr 28, 2024 |
| libphp8.3-embed · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | libphp8.3-embed 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3 · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-bcmath · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-bcmath 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-bz2 · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-bz2 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-cgi · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-cgi 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-cli · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-cli 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-common · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-common 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-curl · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-curl 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-dba · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-dba 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-enchant · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-enchant 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-fpm · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-fpm 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-gd · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-gd 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-gmp · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-gmp 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-imap · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-imap 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-interbase · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-interbase 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-intl · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-intl 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-ldap · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-ldap 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-mbstring · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-mbstring 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-mysql · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-mysql 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-odbc · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-odbc 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-opcache · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-opcache 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-pgsql · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-pgsql 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-phpdbg · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-phpdbg 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-pspell · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-pspell 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-readline · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-readline 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-snmp · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-snmp 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-soap · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-soap 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-sqlite3 · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-sqlite3 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-sybase · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-sybase 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-tidy · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-tidy 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-xml · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-xml 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-xsl · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-xsl 8.3.6-0maysync1 | Apr 28, 2024 |
| php8.3-zip · Ubuntu 24.04.5 LTS (noble) | 8.3.6-0maysync1 | php8.3-zip 8.3.6-0maysync1 | Apr 28, 2024 |
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