Detections
Analytics

Oracle Linux 8 : ELSA-2026-64809-0: / expat (ELSA-2026-648090)

medium Nessus Plugin ID 343969

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-648090 advisory.

 - Fix CVE-2026-56132: out-of-bound scaffolding index store in doProlog
 - Fix CVE-2026-50219

Tenable has extracted the preceding description block directly from the Oracle Linux 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 expat and / or expat-devel packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-64809-0.html

Plugin Details

Severity: Medium

ID: 343969

File Name: oraclelinux_ELSA-2026-648090.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/9/2026

Updated: 9/9/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.5

Percentile: 57.56

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2026-50219

CVSS v3

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 6

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

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

CVSS Score Source: CVE-2026-56132

Vulnerability Information

CPE: cpe:/o:oracle:linux:8, cpe:/o:oracle:linux:8:10:baseos_patch, p-cpe:/a:oracle:linux:expat-devel, p-cpe:/a:oracle:linux:expat

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/8/2026

Vulnerability Publication Date: 6/4/2026

Reference Information

CVE: CVE-2026-50219, CVE-2026-56132

IAVA: 2026-A-0650-S