CVE-2022-4121

MEDIUM

libetpan - Null Pointer Dereference in mailimap_mailbox_data_status_free

Title source: llm

Description

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.

References (3)

Core 3

Core References

Mailing List

https://lists.debian.org/debian-lts-announce/2025/07/msg00018.html

Patch, Third Party Advisory

https://github.com/dinhvh/libetpan/commit/5c9eb6b6ba64c4eb927d7a902317410181aacbba

View Patch ZIP pw:eip

Exploit, Issue Tracking, Patch, Third Party Advisory

https://github.com/dinhvh/libetpan/issues/420

Scores

CVSS v3 5.5

EPSS 0.0054

EPSS Percentile 41.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (1)

libetpan_project/libetpan

Published Jan 17, 2023

Tracked Since Feb 18, 2026