Alpine: multiple expat packages, libexpat: security update to 2.4.3-r0 (deprecated)

critical Tenable Cloud Security Plugin ID 400007

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with
a nonzero XML_CONTEXT_BYTES. (CVE-2022-23852)

- Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function. (CVE-2022-23990)

See Also

https://git.alpinelinux.org/aports/commit/?id=6d79011eae0e86921607055cde5bf58a72886a85

https://git.alpinelinux.org/aports/commit/?id=9deeab3f96da9b020c1f8dcab47be79b123bede4

Plugin Details

Severity: Critical

ID: 400007

Version: Revision 1.28

Type: Local

Published: 1/31/2022

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2022-23852

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

Patch Publication Date: 1/30/2022

Vulnerability Publication Date: 1/24/2022

Reference Information

CVE: CVE-2022-23852, CVE-2022-23990