Detections
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Alpine: multiple fetchmail packages: security update to 6.4.20-r0

high Tenable Cloud Security Plugin ID 404287

Description

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

 - report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf
 va_list argument, which might allow mail servers to cause a denial of service or possibly have unspecified
 other impact via long error messages. NOTE: it is unclear whether use of Fetchmail on any realistic
 platform results in an impact beyond an inconvenience to the client user. (CVE-2021-36386)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-36386

Plugin Details

Severity: High

ID: 404287

Version: Revision 1.27

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: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-36386

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

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 7/29/2021

Reference Information

CVE: CVE-2021-36386