CVE-2024-34020

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Published Apr 29, 2024 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Description

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

Affected Products

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 solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available

Metrics

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.

Exploit prediction score: < 1% (0.556% probability within 30 days)

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

Feb 26, 2026 7:15 PM First appearance in the feed. Affected versions updated. Affected vendors updated. Scoring metrics updated View changes

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

Weaknesses

CWE-121

Sources

CVE record Updated: Aug 2, 2024, 2:42 AM

Status: PUBLISHED
Assigner: mitre
Published: Apr 29, 2024, 12:00 AM
Updated: Aug 2, 2024, 2:42 AM
Reserved: Apr 29, 2024, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 2:42 AM

Updated: Aug 2, 2024, 2:42 AM

NVD Updated: Jun 17, 2026, 7:32 AM

Status: Deferred
Published: Apr 29, 2024, 4:15 PM
Modified: Jun 17, 2026, 7:32 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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