Bottlerocket: libexpat: security update to 2.4.1

critical Tenable Cloud Security Plugin ID 427992

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for
nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX). (CVE-2024-45491)

Plugin Details

Severity: Critical

ID: 427992

Version: Revision 1.2

Type: Local

Family: Bottlerocket Local Security Checks

Published: 6/30/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.98

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2024-45491

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 12/12/2023

Reference Information

CVE: CVE-2024-45491

IAVA: 2024-A-0543-S

Detections

Analytics