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Debian dsa-6185 : php-seclib - security update

high Nessus Plugin ID 304247

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 12 / 13 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-6185 advisory.

 - ------------------------------------------------------------------------- Debian Security Advisory DSA-6185-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff March 29, 2026 https://www.debian.org/security/faq
 - -------------------------------------------------------------------------

 Package : phpseclib CVE ID : CVE-2026-32935

 It was discovered that the AES-CBC implementation in the PHP Secure Communications Library was susceptible to a padding oracle timing attack.

 For the oldstable distribution (bookworm), these problems have been fixed in version 1.0.20-1+deb12u3. This update also fixes CVE-2023-52892.

 For the stable distribution (trixie), these problems have been fixed in version 1.0.23-6+deb13u1.

 We recommend that you upgrade your phpseclib packages.

 For the detailed security status of phpseclib please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/phpseclib

 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 php-seclib packages.

See Also

https://security-tracker.debian.org/tracker/source-package/phpseclib

https://security-tracker.debian.org/tracker/CVE-2023-52892

https://security-tracker.debian.org/tracker/CVE-2026-32935

https://packages.debian.org/source/bookworm/phpseclib

https://packages.debian.org/source/trixie/phpseclib

Plugin Details

Severity: High

ID: 304247

File Name: debian_DSA-6185.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/29/2026

Updated: 3/29/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.2

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-32935

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 6.9

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:php-seclib, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0

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: 3/29/2026

Vulnerability Publication Date: 6/27/2024

Reference Information

CVE: CVE-2023-52892, CVE-2026-32935