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Debian dla-4432 : curl - security update

high Nessus Plugin ID 281645

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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-4432 advisory.

 ------------------------------------------------------------------------- Debian LTS Advisory DLA-4432-1 [email protected] https://www.debian.org/lts/security/ Carlos Henrique Lima Melara January 04, 2026 https://wiki.debian.org/LTS
 -------------------------------------------------------------------------

 Package : curl Version : 7.74.0-1.3+deb11u16 CVE ID : CVE-2025-9086 Debian Bug :

 A vulnerability was found in Curl, an easy-to-use client-side URL transfer library and command line tool. It can cause a crash or potentially a memory out of bounds read.

 For Debian 11 bullseye, this problem has been fixed in version 7.74.0-1.3+deb11u16.

 We recommend that you upgrade your curl packages.

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

 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 curl packages.

See Also

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

https://security-tracker.debian.org/tracker/CVE-2025-9086

https://packages.debian.org/source/bullseye/curl

Plugin Details

Severity: High

ID: 281645

File Name: debian_DLA-4432.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/5/2026

Updated: 1/5/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2025-9086

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:libcurl4, p-cpe:/a:debian:debian_linux:curl, p-cpe:/a:debian:debian_linux:libcurl4-openssl-dev, p-cpe:/a:debian:debian_linux:libcurl3-nss, p-cpe:/a:debian:debian_linux:libcurl4-gnutls-dev, p-cpe:/a:debian:debian_linux:libcurl4-doc, p-cpe:/a:debian:debian_linux:libcurl3-gnutls, p-cpe:/a:debian:debian_linux:libcurl4-nss-dev

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 1/4/2026

Vulnerability Publication Date: 9/11/2025

Reference Information

CVE: CVE-2025-9086

IAVA: 2025-A-0657-S