--- title: 'USN-7953-1: PHP vulnerabilities | Ubuntu security notices' description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/notices/USN-7953-1 --- 1. [Ubuntu Security Notices](https://ubuntu.com/security/notices) 2. USN-7953-1 --- # USN-7953-1: PHP vulnerabilities Publication date 12 January 2026 Overview Several security issues were fixed in PHP. Releases [25.10](https://ubuntu.com/security/notices?release=questing) [25.04](https://ubuntu.com/security/notices?release=plucky) [24.04 LTS](https://ubuntu.com/security/notices?release=noble) [22.04 LTS](https://ubuntu.com/security/notices?release=jammy) [20.04 LTS](https://ubuntu.com/security/notices?release=focal) [18.04 LTS](https://ubuntu.com/security/notices?release=bionic) --- Open side navigation ## Packages * [php7.2](https://ubuntu.com/security/cves?package=php7.2) - HTML-embedded scripting language interpreter * [php7.4](https://ubuntu.com/security/cves?package=php7.4) - HTML-embedded scripting language interpreter * [php8.1](https://ubuntu.com/security/cves?package=php8.1) - HTML-embedded scripting language interpreter * [php8.3](https://ubuntu.com/security/cves?package=php8.3) - HTML-embedded scripting language interpreter * [php8.4](https://ubuntu.com/security/cves?package=php8.4) - HTML-embedded scripting language interpreter ## Details It was discovered that PHP incorrectly handled memory while reading images in multi-chunk mode. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 24.04 LTS, Ubuntu 25.04 and Ubuntu 25.10. ([CVE-2025-14177](https://ubuntu.com/security/CVE-2025-14177)) It was discovered that PHP incorrectly handled memory when element count exceeds 32-bit limit. An attacker could possibly use this issue to cause a denial of service. ([CVE-2025-14178](https://ubuntu.com/security/CVE-2025-14178)) It was discovered that PHP incorrectly handled memory when using the PDO PostgreSQL driver. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 25.04 and Ubuntu 25.10. ([CVE-2025-14180](https://ubuntu.com/security/CVE-2025-14180)) ## Update instructions In general, a standard system update will make all the necessary changes. [Learn more about how to get the fixes.](https://ubuntu.com/security/cves/about#security) The problem can be corrected by updating your system to the following package versions: | Ubuntu Release | Package Version | | --- | --- | | 25.10 questing | [php8.4](https://launchpad.net/ubuntu/+source/php8.4) –  [8.4.11-1ubuntu1.1](https://launchpad.net/ubuntu/+source/php8.4/8.4.11-1ubuntu1.1) | | | | 25.04 plucky | [php8.4](https://launchpad.net/ubuntu/+source/php8.4) –  [8.4.5-1ubuntu1.2](https://launchpad.net/ubuntu/+source/php8.4/8.4.5-1ubuntu1.2) | | | | 24.04 LTS noble | [php8.3](https://launchpad.net/ubuntu/+source/php8.3) –  [8.3.6-0ubuntu0.24.04.6](https://launchpad.net/ubuntu/+source/php8.3/8.3.6-0ubuntu0.24.04.6) | | | | 22.04 LTS jammy | [php8.1](https://launchpad.net/ubuntu/+source/php8.1) –  [8.1.2-1ubuntu2.23](https://launchpad.net/ubuntu/+source/php8.1/8.1.2-1ubuntu2.23) | | | | 20.04 LTS focal | [php7.4](https://launchpad.net/ubuntu/+source/php7.4) –  7.4.3-4ubuntu2.29+esm3   Ubuntu Pro | | | | 18.04 LTS bionic | [php7.2](https://launchpad.net/ubuntu/+source/php7.2) –  7.2.24-0ubuntu0.18.04.17+esm12   Ubuntu Pro | | | --- ### Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. [Get Ubuntu Pro](https://ubuntu.com/pro) ## References * [CVE-2025-14180](https://ubuntu.com/security/CVE-2025-14180) * [CVE-2025-14178](https://ubuntu.com/security/CVE-2025-14178) * [CVE-2025-14177](https://ubuntu.com/security/CVE-2025-14177)