PT-2023-13964 · Libetpan+4 · Libetpan+4

Hackingump · Published 2022-12-17 · Updated 2025-09-08 · CVE-2022-4121

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions libetpan (affected versions not specified)

Description A null pointer dereference was found in the mailimap mailbox data status free function in low-level/imap/mailimap types.c, which could lead to a remote denial of service or other potential consequences.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2022-3375

ALT-PU-2022-3403

ALT-PU-2023-1029

ALT-PU-2023-7051

CVE-2022-4121

DLA-3261-1

DLA-4256-1

MGASA-2022-0470

USN-7740-1

Affected Products

Alt Linux

Debian

Linuxmint

Ubuntu

Libetpan

References · 23

• 🔥 https://github.com/dinhvh/libetpan/issues/420 · Exploit
• https://github.com/dinhvh/libetpan/commit/5c9eb6b6ba64c4eb927d7a902317410181aacbba · Patch
• https://osv.dev/vulnerability/DLA-3261-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/DO2JJCQZGGB7E7RSP775ARXODFQLBYXL · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2022-0470 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-4121 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-4256-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2022-0470.html · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-4121 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7740-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-4121 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-4121 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7740-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-4121 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-4121 · Security Note