Detections
Analytics

Echo: libxml2-2.9.1: security update to 2.9.1+e1

medium Tenable Cloud Security Plugin ID 476492

Description

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

 - In libxml2 before 2.9.14, several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*)
 don't check for integer overflows. This can result in out-of-bounds memory writes. Exploitation requires a
 victim to open a crafted, multi-gigabyte XML file. Other software using libxml2's buffer functions, for
 example libxslt through 1.1.35, is affected as well. (CVE-2022-29824)

Solution

Update the libxml2-2.9.1 library and its related packages to version 2.9.1+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2022-29824

Plugin Details

Severity: Medium

ID: 476492

Version: Revision 1.1

Type: Local

Published: 10/21/2026

Updated: 10/21/2026

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.15

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2022-29824

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/21/2026

Vulnerability Publication Date: 5/3/2022

Reference Information

CVE: CVE-2022-29824