CVE-2021-38370

Publication date 10 August 2021

Last updated 20 March 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

In Alpine before 2.25, untagged responses from an IMAP server are accepted before STARTTLS.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
alpine	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Ignored end of life, was needs-triage
	23.04 lunar	Ignored end of life, was needs-triage
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Not affected
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.04 LTS focal	Fixed 2.22+dfsg1-1ubuntu0.1~esm1 Ubuntu Pro
	18.04 LTS bionic	Fixed 2.21+dfsg1-1ubuntu0.1~esm1 Ubuntu Pro
	16.04 LTS xenial	Fixed 2.20+dfsg1-2ubuntu0.1~esm1 Ubuntu Pro
	14.04 LTS trusty	Not in release

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
alpine	Upstream: https://repo.or.cz/alpine.git/commitdiff/e58edb33f71687cb0b12c10a6cea2db2f8a35011

Severity score breakdown

Parameter	Value
Base score	5.9 · Medium
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

USN-7360-1
Alpine vulnerabilities
20 March 2025