CVE-2022-4121
MEDIUM
5.5
CVSS Score
Published: January 17, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:20 AM UTC
2 products affected across 2 vendorsLibetpanProject Libetpan
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.5%
SSVC
PoC
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
PatchThird Party Advisory
Source: [email protected]
https://github.com/dinhvh/libetpan/commit/5c9eb6b6ba64c4eb927d7a902317410181aacbbaExploitIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/dinhvh/libetpan/issues/420Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/07/msg00018.htmlSSVC — Action Prioritization
SSVCPoCNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
5.5MEDIUMCISA-ADP
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-476
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