Alpine: expat: security update to 2.2.10-r2

critical Tenable Cloud Security Plugin ID 404267

Description

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

- In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in
xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).
(CVE-2021-45960)

- In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for
m_groupSize. (CVE-2021-46143)

- addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22822)

- build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22823)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-45960

https://security.alpinelinux.org/vuln/CVE-2021-46143

https://security.alpinelinux.org/vuln/CVE-2022-22822

https://security.alpinelinux.org/vuln/CVE-2022-22823

https://security.alpinelinux.org/vuln/CVE-2022-22824

https://security.alpinelinux.org/vuln/CVE-2022-22825

https://security.alpinelinux.org/vuln/CVE-2022-22826

https://security.alpinelinux.org/vuln/CVE-2022-22827

https://security.alpinelinux.org/vuln/CVE-2022-25235

https://security.alpinelinux.org/vuln/CVE-2022-25236

https://security.alpinelinux.org/vuln/CVE-2022-25313

https://security.alpinelinux.org/vuln/CVE-2022-25314

https://security.alpinelinux.org/vuln/CVE-2022-25315

Plugin Details

Severity: Critical

ID: 404267

Version: Revision 1.31

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.98

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7

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

CVSS Score Source: CVE-2021-45960

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

CVSS Score Source: CVE-2022-25315

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 1/1/2022

Reference Information

CVE: CVE-2021-45960, CVE-2021-46143, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827, CVE-2022-25235, CVE-2022-25236, CVE-2022-25313, CVE-2022-25314, CVE-2022-25315