Detections
Analytics

Chainguard: libexpat1, multiple expat packages: security update to 2.10.0-r0

high Tenable Self-Hosted Container Security Plugin ID 478196

Description

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

 - libexpat 2.7.2 through 2.9.0 contains a denial of service vulnerability because XML_ParserReset zeroes the
 direct byte count but never offsets tracked heap allocations. Attackers can submit a large XML document so
 later documents on the same reset parser fail with XML_ERROR_NO_MEMORY until it is recreated.
 (CVE-2026-113351)

Solution

Update the expat library and its related packages to version 2.10.0-r0 or later.

Plugin Details

Severity: High

ID: 478196

Version: Revision 1.2

Type: Local

Published: 11/3/2026

Updated: 11/4/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.75

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-2026-113351

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 10/20/2026

Reference Information

CVE: CVE-2026-113351