Debian dla-4707 : gsasl - security update

medium Nessus Plugin ID 331322

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4707 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-4707-1 [email protected] https://www.debian.org/lts/security/ Carlos Henrique Lima Melara July 30, 2026 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : gsasl Version : 1.10.0-4+deb11u3 2.2.0-1+deb12u2 CVE ID : CVE-2026-56968

It was discovered that missing input sanitising in the NTLM client of the GNU SASL library could result in memory disclosure.

For Debian 11 bullseye, this problem has been fixed in version 1.10.0-4+deb11u3.

For Debian 12 bookworm, this problem has been fixed in version 2.2.0-1+deb12u2.

We recommend that you upgrade your gsasl packages.

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

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
signature.asc Description: PGP signature

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the gsasl packages.

Plugin Details

Severity: Medium

ID: 331322

File Name: debian_DLA-4707.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 7/31/2026

Updated: 7/31/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2026-56968

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:gsasl-common, p-cpe:/a:debian:debian_linux:gsasl-doc, p-cpe:/a:debian:debian_linux:gsasl, p-cpe:/a:debian:debian_linux:libgsasl-dev, p-cpe:/a:debian:debian_linux:libgsasl7-dev, p-cpe:/a:debian:debian_linux:libgsasl7

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: 7/30/2026

Vulnerability Publication Date: 6/23/2026

Reference Information

CVE: CVE-2026-56968

Detections

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