USN-8948-2: PHP vulnerabilities

Publication date

21 October 2026

Overview

PHP could be made to crash or run programs if it received specially crafted network traffic.


Packages

  • php5 - HTML-embedded scripting language interpreter
  • php7.0 - HTML-embedded scripting language interpreter
  • php7.2 - HTML-embedded scripting language interpreter
  • php7.4 - HTML-embedded scripting language interpreter

Details

USN-8948-1 fixed vulnerabilities in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS,
Ubuntu 26.04 LTS and Ubuntu 26.10. This provides the corrosponding updates
in Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04
LTS.

Original advisory details:

It was discovered that PHP incorrectly handled out-of-memory conditions
while processing requests. A remote attacker could use this issue to
execute arbitrary code. (CVE-2026-109618)

It was discovered that PHP incorrectly managed internal request state
across worker reuse. A remote attacker could use this issue to execute
arbitrary code. (CVE-2026-109619)

USN-8948-1 fixed vulnerabilities in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS,
Ubuntu 26.04 LTS and Ubuntu 26.10. This provides the corrosponding updates
in Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04
LTS.

Original advisory details:

It was discovered that PHP incorrectly handled out-of-memory conditions
while processing requests. A remote attacker could use this issue to
execute arbitrary code. (CVE-2026-109618)

It was discovered that PHP incorrectly managed internal request state
across worker reuse. A remote attacker could use this issue to execute
arbitrary code. (CVE-2026-109619)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 LTS focal libapache2-mod-php7.4 –  7.4.3-4ubuntu2.29+esm5  
php7.4 –  7.4.3-4ubuntu2.29+esm5  
php7.4-cgi –  7.4.3-4ubuntu2.29+esm5  
php7.4-cli –  7.4.3-4ubuntu2.29+esm5  
php7.4-fpm –  7.4.3-4ubuntu2.29+esm5  
18.04 LTS bionic php7.2 –  7.2.24-0ubuntu0.18.04.17+esm14  
php7.2-cgi –  7.2.24-0ubuntu0.18.04.17+esm14  
php7.2-cli –  7.2.24-0ubuntu0.18.04.17+esm14  
php7.2-fpm –  7.2.24-0ubuntu0.18.04.17+esm14  
16.04 LTS xenial libapache2-mod-php7.0 –  7.0.33-0ubuntu0.16.04.16+esm22  
php7.0 –  7.0.33-0ubuntu0.16.04.16+esm22  
php7.0-cgi –  7.0.33-0ubuntu0.16.04.16+esm22  
php7.0-cli –  7.0.33-0ubuntu0.16.04.16+esm22  
php7.0-fpm –  7.0.33-0ubuntu0.16.04.16+esm22  
14.04 LTS trusty libapache2-mod-php5 –  5.5.9+dfsg-1ubuntu4.29+esm18  
php5 –  5.5.9+dfsg-1ubuntu4.29+esm18  
php5-cgi –  5.5.9+dfsg-1ubuntu4.29+esm18  
php5-cli –  5.5.9+dfsg-1ubuntu4.29+esm18  
php5-fpm –  5.5.9+dfsg-1ubuntu4.29+esm18  

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