VULNERABILITY INTELLIGENCE
CVE-2021-46853
CVSS score5.9 MEDIUM
EPSS probability1.15%
CISA KEVNot currently listed
Published2022-11-03
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
Alpine before 2.25 allows remote attackers to cause a denial of service (application crash) when LIST or LSUB is sent before STARTTLS.
Weakness classification
- CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
Primary references
- cve@mitre.org — Issue Tracking, Third Party Advisory
- cve@mitre.org — Technical Description, Third Party Advisory
- cve@mitre.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Technical Description, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory