Medium severity · published Jan 17, 2023
CVE-2022-4121
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…
5.5
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
libetpan ·
All versions, or not specified · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-4121
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-4121
Patch
https://github.com/dinhvh/libetpan/commit/5c9eb6b6ba64c4eb927d7a902317410181aacbba
Exploit
https://github.com/dinhvh/libetpan/issues/420
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/07/msg00018.html