Vulnerability 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 Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/oneafter/0209/blob/main/mo2/repro
- https://github.com/rui314/mold/
- https://github.com/rui314/mold/issues/1548
- https://vuldb.com/?ctiid.350476
- https://vuldb.com/?id.350476
- https://vuldb.com/?submit.769772
FAQ
What is CVE-2026-3994?
CVE-2026-3994 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ...
How severe is CVE-2026-3994?
CVE-2026-3994 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-3994?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.