CVE-2022-4121

Publication date 17 January 2023

Last updated 15 September 2025

Ubuntu priority

Cvss 3 Severity Score

In libetpan a null pointer dereference in mailimap_mailbox_data_status_free in low-level/imap/mailimap_types.c was found that could lead to a remote denial of service or other potential consequences.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libetpan	25.04 plucky	Not affected
	24.10 oracular	Ignored end of life, was needs-triage
	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	Fixed 1.9.4-3+deb11u1build0.22.04.1
	20.04 LTS focal	Fixed 1.9.4-2ubuntu0.1~esm1
	18.04 LTS bionic	Fixed 1.8.0-1ubuntu0.1~esm1
	16.04 LTS xenial	Fixed 1.6-1ubuntu0.1+esm1
	14.04 LTS trusty	Ignored end of standard support

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Notes

ej7367

Fixed in 1.9.4-3+deb11u1.

Patch details

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

Package	Patch details
libetpan	Upstream: 5c9eb6b

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-7740-1
LibEtPan vulnerability
8 September 2025