{"id":"UBUNTU-CVE-2026-3994","details":"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.","modified":"2026-05-20T16:25:38.774535291Z","published":"2026-03-12T06:16:00Z","upstream":["CVE-2026-3994"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-3994"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-3994"}],"affected":[{"package":{"name":"mold","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/mold?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.3+dfsg-2"],"ecosystem_specific":{"binaries":[{"binary_name":"mold","binary_version":"1.0.3+dfsg-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3994.json"}},{"package":{"name":"mold","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/mold?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.11.0+dfsg-1ubuntu1","2.3.3+dfsg-1","2.4.0+dfsg-1","2.4.1+dfsg-1","2.30.0+dfsg-1","2.30.0+dfsg-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"mold","binary_version":"2.30.0+dfsg-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3994.json"}},{"package":{"name":"mold","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/mold?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.37.1+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"mold","binary_version":"2.37.1+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3994.json"}},{"package":{"name":"mold","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/mold?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.37.1+dfsg-1","2.40.4+dfsg-2.1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.40.4+dfsg-2.1ubuntu1","binary_name":"mold"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3994.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"},{"type":"CVSS_V4","score":"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"},{"type":"Ubuntu","score":"medium"}]}