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Public proof of conceptFix available

CVE-2022-4121

A public proof of concept exists; no exploitation attested.

  • Published2023-01-17
  • WeaknessCWE-476

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2023-01-1718:15CVE publishedNVD

Versions per branch

NVD
Libetpan project libetpan
BranchAffectedFixed in
—all versionsno fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As fedora, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • libetpan
    Affected
    • = unknownno fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2023-01-17

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • libetpanUbuntu:Pro:20.04:LTSall versions · fixed in 1.9.4-2ubuntu0.1~esm1
  • libetpanUbuntu:Pro:18.04:LTSall versions · fixed in 1.8.0-1ubuntu0.1~esm1
  • libetpanUbuntu:Pro:16.04:LTSall versions · fixed in 1.6-1ubuntu0.1+esm1
  • libetpanUbuntu:22.04:LTSall versions · fixed in 1.9.4-3+deb11u1build0.22.04.1
  • libetpanMageia:8all versions · fixed in 1.9.4-4.1.mga8
  • libetpanDebian:14all versions · fixed in 1.9.4-3.1
  • libetpanDebian:13all versions · fixed in 1.9.4-3.1
  • libetpanDebian:12all versions · fixed in 1.9.4-3.1

2 more package ranges on OSV.dev

Vendor advisories

  • CVE-2022-4121 Red Hat Product Security

    libetpan: Null pointer dereference in mailimap_mailbox_data_status_free in low-level/imap/mailimap_types.c

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2023-01-17
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-73jp-p4j5-5wmx

Frequently asked questions

What is 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 potential consequences.

Is CVE-2022-4121 actively exploited?

A proof-of-concept exploit exists for CVE-2022-4121, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-4121?

CVE-2022-4121 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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Sources for this record