CVE-2026-3994

MEDIUM
2026-03-12 [email protected]
5.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 19:57 vuln.today
CVE Published
Mar 12, 2026 - 06:16 nvd
MEDIUM 5.3

Tags

Buffer Overflow

Description

A vulnerability was detected in rui314 mold up to 2.40.4. This issue affects the function mold::ObjectFilemold::X86_64::initialize_sections of the file src/input-files.cc of the component Object File Handler. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Analysis

Heap-based buffer overflow in mold linker versions up to 2.40.4 allows local attackers with user privileges to corrupt memory and potentially execute code through the X86_64 object file initialization function. Public exploit code is available for this vulnerability. …

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Remediation

Within 30 days: Identify affected systems running rui314 mold and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0

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CVE-2026-3994 vulnerability details – vuln.today
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