[USN-7645-1] PHP vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-7645-1
July 17, 2025

php7.0, php7.2 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in PHP.

Software Description:
- php7.2: HTML-embedded scripting language interpreter
- php7.0: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP incorrectly parsed certain HTTP response
headers. An attacker could possibly use this issue to cause incorrect
MIME type parsing which could result in unexpected behavior.
(CVE-2025-1217)

It was discovered that PHP did not properly validate certain HTTP
headers. An attacker could possibly use this issue to perform an HTTP
request smuggling attack. (CVE-2025-1734)

It was discovered that PHP did not properly validate certain HTTP
headers. An attacker could possibly use this issue to prevent certain
headers from being sent which could result in a denial of service or
other unexpected behavior. (CVE-2025-1736)

It was discovered that PHP incorrectly performed URL truncation. An
attacker could possibly use this issue to specially craft a URL that
would result in unintended redirections or a denial of service.
(CVE-2025-1861)

Update instructions:

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

Ubuntu 18.04 LTS
  libapache2-mod-php7.2           7.2.24-0ubuntu0.18.04.17+esm8
                                  Available with Ubuntu Pro
  libphp7.2-embed                 7.2.24-0ubuntu0.18.04.17+esm8
                                  Available with Ubuntu Pro
  php7.2-cgi                      7.2.24-0ubuntu0.18.04.17+esm8
                                  Available with Ubuntu Pro
  php7.2-cli                      7.2.24-0ubuntu0.18.04.17+esm8
                                  Available with Ubuntu Pro
  php7.2-fpm                      7.2.24-0ubuntu0.18.04.17+esm8
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libapache2-mod-php7.0           7.0.33-0ubuntu0.16.04.16+esm15
                                  Available with Ubuntu Pro
  libphp7.0-embed                 7.0.33-0ubuntu0.16.04.16+esm15
                                  Available with Ubuntu Pro
  php7.0-cgi                      7.0.33-0ubuntu0.16.04.16+esm15
                                  Available with Ubuntu Pro
  php7.0-cli                      7.0.33-0ubuntu0.16.04.16+esm15
                                  Available with Ubuntu Pro
  php7.0-fpm                      7.0.33-0ubuntu0.16.04.16+esm15
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-7645-1
  CVE-2025-1217, CVE-2025-1734, CVE-2025-1736, CVE-2025-1861
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