Google: dev-libs/expat: security update to 18244.151.57

critical Tenable Cloud Security Plugin ID 451904

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)

Solution

Update the dev-libs/expat library and its related packages to version 18244.151.57 or later.

See Also

https://storage.googleapis.com/cos-oval-vulnerability-feed/cos-113.oval.xml.tar.gz

Plugin Details

Severity: Critical

ID: 451904

Version: Revision 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.98

Vendor

Vendor Severity: HIGH

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: 8/30/2024

Reference Information

CVE: CVE-2024-45491