CVE-2024-34020 - Vulnerability Details - OpenCVE

Description

A stack-based buffer overflow was found in the putSDN() function of mail.c in hcode through 2.1.

Published: 2024-04-29

Score: 6.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

No data.

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00077.

Exploitation poc

Automatable no

Technical Impact partial

References

Link	Providers
http://ftp.kaist.ac.kr/hangul/code/hcode/
https://bugzilla.suse.com/show_bug.cgi?id=1223534

History

Thu, 26 Feb 2026 19:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Hcode Hcode hcode
CPEs		cpe:2.3:a:hcode:hcode::::::::
Vendors & Products		Hcode Hcode hcode
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Hcode Hcode

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-04-29T00:00:00.000Z

Updated: 2024-08-02T02:42:59.775Z

Reserved: 2024-04-29T00:00:00.000Z

Link: CVE-2024-34020

Vulnrichment

Updated: 2024-08-02T02:42:59.775Z

NVD

Status : Deferred

Published: 2024-04-29T16:15:35.570

Modified: 2026-04-15T00:35:42.020

Link: CVE-2024-34020

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-121

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