Detections
Analytics

Alpine: multiple libspf2 packages: security update to 1.2.11-r4

critical Tenable Self-Hosted Container Security Plugin ID 424799

Description

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

 - Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to
 Denial of service and potentially code execution via malicious crafted SPF explanation messages.
 (CVE-2021-20314)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-20314

Plugin Details

Severity: Critical

ID: 424799

Version: Revision 1.2

Type: Local

Published: 4/9/2025

Updated: 5/30/2025

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-2021-20314

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: 8/12/2021

Reference Information

CVE: CVE-2021-20314