Detections
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Fedora 45 : mongo-c-driver (2026-83792d666c)

high Nessus Plugin ID 345458

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-2026-83792d666c advisory.

 ## libmongoc 2.5.2

 Fixes

 - Fix OCSP error handling. **CVE-2026-84964**
 - Fix unsafe casts during JSON parsing. **CVE-2026-84965**
 - Fix possible unsafe truncation when logging base64. **CVE-2026-84969**
 - Fix unsafe calls to bson_next_power_of_two. **CVE-2026-84963**


 ----

 ## libmongoc 2.5.1

 Fixes

 - Validate database and collection name arguments against . and NUL bytes (**CVE-2026-81524**)


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 mongo-c-driver package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-83792d666c

Plugin Details

Severity: High

ID: 345458

File Name: fedora_2026-83792d666c.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: 2.6

Temporal Score: 1.9

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

CVSS Score Source: CVE-2026-84969

CVSS v3

Risk Factor: Low

Base Score: 3.7

Temporal Score: 3.2

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

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

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 4.6

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2026-84964

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:45, p-cpe:/a:fedoraproject:fedora:mongo-c-driver

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-2026-81524, CVE-2026-84963, CVE-2026-84964, CVE-2026-84965, CVE-2026-84969