CVE-2021-46853

MEDIUM

Alpine < 2.25 - Denial of Service via LIST or LSUB Before STARTTLS

Title source: llm
STIX 2.1

Description

Alpine before 2.25 allows remote attackers to cause a denial of service (application crash) when LIST or LSUB is sent before STARTTLS.

References (3)

Core 3
Core References
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202301-07
Issue Tracking, Third Party Advisory
https://bugs.gentoo.org/807613
Technical Description, Third Party Advisory
https://nostarttls.secvuln.info/

Scores

CVSS v3 5.9
EPSS 0.0084
EPSS Percentile 53.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-367
Status published
Products (1)
alpine_project/alpine < 2.25
Published Nov 03, 2022
Tracked Since Feb 18, 2026