Name: CVE-2021-46853: Time-of-check Time-of-use (TOCTOU) Race Condition
Creator: Rapid7
Published: 2022-11-03T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-46853, CWE-367, CVSS 5.9, EPSS 0.00511

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

CVSS Details

CVSS 3.1 Base Score: 5.9
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade alpine	Jul 30, 2024	Nov 3, 2022
Gentoo Linux	—	Upgrade mail-client/alpine.	Jan 12, 2023	Nov 3, 2022
Ubuntu	—	Upgrade alpine (Ubuntu Pro)Upgrade pilot (Ubuntu Pro)Upgrade alpine-pico (Ubuntu Pro)	Mar 20, 2025	Nov 3, 2022

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CVSS Details

Covered by Rapid7

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