Detections
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RHEL 10 : guava (RHSA-2026:99091)

high Nessus Plugin ID 378984

Synopsis

The remote Red Hat host is missing a security update for guava.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:99091 advisory.

 Guava is a suite of core and expanded libraries that include utility classes, Googles collections, io classes, and much much more. This project is a complete packaging of all the Guava libraries into a single jar. Individual portions of Guava can be used by downloading the appropriate module and its dependencies.

 Security Fix(es):

 * com.google.guava/guava: Google Guava: Denial of Service via unthrottled memory allocation during deserialization (CVE-2026-102554)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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

Update the RHEL guava package based on the guidance in RHSA-2026:99091.

See Also

https://access.redhat.com/errata/RHSA-2026:99091

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2548685

http://www.nessus.org/u?43bd5e37

Plugin Details

Severity: High

ID: 378984

File Name: redhat-RHSA-2026-99091.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/11/2026

Updated: 11/11/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.81

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-102554

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

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:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux_eus:10.2, p-cpe:/a:redhat:enterprise_linux:guava-javadoc, p-cpe:/a:redhat:enterprise_linux:guava-testlib, p-cpe:/a:redhat:enterprise_linux:guava

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/11/2026

Vulnerability Publication Date: 10/9/2026

Reference Information

CVE: CVE-2026-102554

CWE: 770

RHSA: 2026:99091