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Debian dsa-6256 : libapache2-mod-php8.4 - security update
critical Nessus Plugin ID 313417
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Synopsis
The remote Debian host is missing one or more security-related updates.Description
The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6256 advisory.- ------------------------------------------------------------------------- Debian Security Advisory DSA-6256-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 08, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------
Package : php8.4 CVE ID : CVE-2025-14179 CVE-2026-6104 CVE-2026-6722 CVE-2026-6735 CVE-2026-7258 CVE-2026-7259 CVE-2026-7261 CVE-2026-7262 CVE-2026-7263 CVE-2026-7568
Multiple security issues were found in PHP, a widely-used open source general purpose scripting language which could result in denial of service, SQL injection, cross-site scripting, information disclosure or the execution of arbitrary code.
For the stable distribution (trixie), these problems have been fixed in version 8.4.21-1~deb13u1.
We recommend that you upgrade your php8.4 packages.
For the detailed security status of php8.4 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/php8.4
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/
Mailing list: [email protected]
Tenable has extracted the preceding description block directly from the Debian security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Upgrade the libapache2-mod-php8.4 packages.See Also
https://security-tracker.debian.org/tracker/source-package/php8.4
https://security-tracker.debian.org/tracker/CVE-2025-14179
https://security-tracker.debian.org/tracker/CVE-2026-6104
https://security-tracker.debian.org/tracker/CVE-2026-6722
https://security-tracker.debian.org/tracker/CVE-2026-6735
https://security-tracker.debian.org/tracker/CVE-2026-7258
https://security-tracker.debian.org/tracker/CVE-2026-7259
https://security-tracker.debian.org/tracker/CVE-2026-7261
https://security-tracker.debian.org/tracker/CVE-2026-7262
https://security-tracker.debian.org/tracker/CVE-2026-7263
Plugin Details
Severity: Critical
ID: 313417
File Name: debian_DSA-6256.nasl
Version: 1.4
Type: Local
Agent: unix
Family: Debian Local Security Checks
Published: 5/8/2026
Updated: 5/15/2026
Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.9
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-7261
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: Critical
Base Score: 9.5
Threat Score: 9
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score Source: CVE-2026-6722
Vulnerability Information
CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:php8.4, p-cpe:/a:debian:debian_linux:libapache2-mod-php8.4, p-cpe:/a:debian:debian_linux:libphp8.4-embed, p-cpe:/a:debian:debian_linux:php8.4-bcmath, p-cpe:/a:debian:debian_linux:php8.4-bz2, p-cpe:/a:debian:debian_linux:php8.4-cgi, p-cpe:/a:debian:debian_linux:php8.4-cli, p-cpe:/a:debian:debian_linux:php8.4-common, p-cpe:/a:debian:debian_linux:php8.4-curl, p-cpe:/a:debian:debian_linux:php8.4-dba, p-cpe:/a:debian:debian_linux:php8.4-dev, p-cpe:/a:debian:debian_linux:php8.4-enchant, p-cpe:/a:debian:debian_linux:php8.4-fpm, p-cpe:/a:debian:debian_linux:php8.4-gd, p-cpe:/a:debian:debian_linux:php8.4-gmp, p-cpe:/a:debian:debian_linux:php8.4-interbase, p-cpe:/a:debian:debian_linux:php8.4-intl, p-cpe:/a:debian:debian_linux:php8.4-ldap, p-cpe:/a:debian:debian_linux:php8.4-mbstring, p-cpe:/a:debian:debian_linux:php8.4-mysql, p-cpe:/a:debian:debian_linux:php8.4-odbc, p-cpe:/a:debian:debian_linux:php8.4-opcache, p-cpe:/a:debian:debian_linux:php8.4-pgsql, p-cpe:/a:debian:debian_linux:php8.4-phpdbg, p-cpe:/a:debian:debian_linux:php8.4-readline, p-cpe:/a:debian:debian_linux:php8.4-snmp, p-cpe:/a:debian:debian_linux:php8.4-soap, p-cpe:/a:debian:debian_linux:php8.4-sqlite3, p-cpe:/a:debian:debian_linux:php8.4-sybase, p-cpe:/a:debian:debian_linux:php8.4-tidy, p-cpe:/a:debian:debian_linux:php8.4-xml, p-cpe:/a:debian:debian_linux:php8.4-xsl, p-cpe:/a:debian:debian_linux:php8.4-zip
Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 5/8/2026
Vulnerability Publication Date: 5/8/2026
Reference Information
CVE: CVE-2025-14179, CVE-2026-6104, CVE-2026-6722, CVE-2026-6735, CVE-2026-7258, CVE-2026-7259, CVE-2026-7261, CVE-2026-7262, CVE-2026-7263, CVE-2026-7568
IAVA: 2026-A-0440