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4.8
Rui314 Mold through 2.40.4 allows local attackers to crash the program
CVE-2026-3994
Summary
A security issue in Rui314 Mold, a library used to handle binary files, can be exploited by an attacker with local access to cause the program to crash. This issue has been publicly disclosed, and we recommend updating to a fixed version as soon as possible. If you're using Rui314 Mold, check with the developers for an updated version and apply the fix.
Original title
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 Fi...
Original 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.
nvd CVSS2.0
4.3
nvd CVSS3.1
5.3
nvd CVSS4.0
4.8
Vulnerability type
CWE-119
Buffer Overflow
CWE-122
Heap-based Buffer Overflow
Published: 12 Mar 2026 · Updated: 14 Mar 2026 · First seen: 12 Mar 2026