Detections
Analytics

Fedora 45 : libmongocrypt (2026-0664f1b41b)

high Nessus Plugin ID 345460

Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-0664f1b41b advisory.

 ## Version 1.20.4

 Fixed

 - Reject undersized decryption payloads. **CVE-2026-84971**


 ----

 ## Version 1.20.3

 Fixed

 - Validate database and collection name arguments against . and NUL bytes (**CVE-2026-81523**).


Tenable has extracted the preceding description block directly from the Fedora 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

Update the affected libmongocrypt package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-0664f1b41b

Plugin Details

Severity: High

ID: 345460

File Name: fedora_2026-0664f1b41b.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/12/2026

Updated: 9/12/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.64

CVSS v2

Risk Factor: Low

Base Score: 3.2

Temporal Score: 2.4

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

CVSS Score Source: CVE-2026-81523

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

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

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

CVSS v4

Risk Factor: High

Base Score: 7.1

Threat Score: 4.9

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2026-84971

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:45, p-cpe:/a:fedoraproject:fedora:libmongocrypt

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/4/2026

Vulnerability Publication Date: 8/27/2026

Reference Information

CVE: CVE-2026-81523, CVE-2026-84971