CVE-2026-3994

LOW EPSS 2.7%
Published Mar 12, 20263mo ago · Modified Apr 29, 20262mo ago
1.9 CVSS 4.0
Low
Find Similar
Published Mar 12, 2026 3mo ago
Last Modified Apr 29, 2026 2mo ago

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.

CVSS Details

Base Score
1.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
2.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-122

References 6

  • github.com https://github.com/oneafter/0209/blob/main/mo2/repro
  • github.com https://github.com/rui314/mold/
  • github.com https://github.com/rui314/mold/issues/1548
  • vuldb.com https://vuldb.com/?ctiid.350476
  • vuldb.com https://vuldb.com/?id.350476
  • vuldb.com https://vuldb.com/?submit.769772

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.