Detections
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RockyLinux 10 : expat (RLSA-2026:98582)

high Nessus Plugin ID 380185

Synopsis

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

Description

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:98582 advisory.

 * expat: Expat: Denial of Service via quadratic complexity in attribute processing (CVE-2026-66046)

 * expat: Expat: XML Injection via Malformed UTF-16 Input (CVE-2026-93990)

 * expat: expat: Denial of Service via integer overflow in expat_realloc (CVE-2026-102633)

 * expat: expat: Information disclosure via heap buffer over-read in XML_ParseBuffer (CVE-2026-77214)

Tenable has extracted the preceding description block directly from the RockyLinux 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 packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2517901

https://bugzilla.redhat.com/show_bug.cgi?id=2538967

https://bugzilla.redhat.com/show_bug.cgi?id=2543288

https://bugzilla.redhat.com/show_bug.cgi?id=2547476

https://errata.rockylinux.org/RLSA-2026:98582

Plugin Details

Severity: High

ID: 380185

File Name: rocky_linux_RLSA-2026-98582.nasl

Version: 1.1

Type: Local

Published: 11/13/2026

Updated: 11/13/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 92.91

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-77214

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.4

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

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:P

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

CVSS Score Source: CVE-2026-93990

Vulnerability Information

CPE: cpe:/o:rocky:linux:10, p-cpe:/a:rocky:linux:expat-debuginfo, p-cpe:/a:rocky:linux:expat-debugsource, p-cpe:/a:rocky:linux:expat-devel, p-cpe:/a:rocky:linux:expat

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/13/2026

Vulnerability Publication Date: 8/18/2026

Reference Information

CVE: CVE-2026-102633, CVE-2026-66046, CVE-2026-77214, CVE-2026-93990