{"id":"UBUNTU-CVE-2025-5165","details":"A vulnerability was found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This issue affects the function MDCImporter::ValidateSurfaceHeader of the file assimp/code/AssetLib/MDC/MDCLoader.cpp. The manipulation of the argument pcSurface2 leads to out-of-bounds read. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future.","modified":"2026-01-20T18:49:36.420386Z","published":"2025-05-26T03:15:00Z","upstream":["CVE-2025-5165"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-5165"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-5165"},{"type":"REPORT","url":"https://github.com/assimp/assimp/issues/6167"},{"type":"REPORT","url":"https://github.com/assimp/assimp/issues/6128"},{"type":"REPORT","url":"https://github.com/user-attachments/files/20204942/reproducer.zip"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.310253"},{"type":"REPORT","url":"https://vuldb.com/?id.310253"},{"type":"REPORT","url":"https://vuldb.com/?submit.578000"}],"affected":[{"package":{"name":"assimp","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/assimp@3.2~dfsg-3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0~dfsg-4ubuntu4","3.1.1~dfsg-5","3.2~dfsg-1","3.2~dfsg-2","3.2~dfsg-3"],"ecosystem_specific":{"binaries":[{"binary_name":"assimp-utils","binary_version":"3.2~dfsg-3"},{"binary_name":"libassimp-dev","binary_version":"3.2~dfsg-3"},{"binary_name":"libassimp3v5","binary_version":"3.2~dfsg-3"},{"binary_name":"python-pyassimp","binary_version":"3.2~dfsg-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-5165.json"}},{"package":{"name":"assimp","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/assimp@4.1.0~dfsg-3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.1~dfsg-5","3.3.1~dfsg-5ubuntu1","3.3.1~dfsg-5+build1","4.0.1~dfsg-1~exp2","4.0.1~dfsg-1","4.1.0~dfsg-1","4.1.0~dfsg-2","4.1.0~dfsg-3"],"ecosystem_specific":{"binaries":[{"binary_name":"assimp-utils","binary_version":"4.1.0~dfsg-3"},{"binary_name":"libassimp-dev","binary_version":"4.1.0~dfsg-3"},{"binary_name":"libassimp4","binary_version":"4.1.0~dfsg-3"},{"binary_name":"python-pyassimp","binary_version":"4.1.0~dfsg-3"},{"binary_name":"python3-pyassimp","binary_version":"4.1.0~dfsg-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-5165.json"}},{"package":{"name":"assimp","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/assimp@5.0.1~ds0-1build1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.0~dfsg-5","4.1.0~dfsg-5ubuntu1","5.0.1~ds0-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"assimp-testmodels","binary_version":"5.0.1~ds0-1build1"},{"binary_name":"assimp-utils","binary_version":"5.0.1~ds0-1build1"},{"binary_name":"libassimp-dev","binary_version":"5.0.1~ds0-1build1"},{"binary_name":"libassimp5","binary_version":"5.0.1~ds0-1build1"},{"binary_name":"python3-pyassimp","binary_version":"5.0.1~ds0-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-5165.json"}},{"package":{"name":"assimp","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/assimp@5.2.2~ds0-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.1~ds0-2","5.0.1~ds0-3ubuntu1","5.1.4~ds0-1","5.1.5~ds0-1","5.1.6~ds0-1","5.2.0~ds0-2","5.2.1~ds0-1","5.2.2~ds0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"assimp-testmodels","binary_version":"5.2.2~ds0-1"},{"binary_name":"assimp-utils","binary_version":"5.2.2~ds0-1"},{"binary_name":"libassimp-dev","binary_version":"5.2.2~ds0-1"},{"binary_name":"libassimp5","binary_version":"5.2.2~ds0-1"},{"binary_name":"python3-pyassimp","binary_version":"5.2.2~ds0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-5165.json"}},{"package":{"name":"assimp","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/assimp@5.3.1+ds-2build1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.5~ds0-1.1build1","5.3.1+ds-1","5.3.1+ds-2","5.3.1+ds-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"assimp-testmodels","binary_version":"5.3.1+ds-2build1"},{"binary_name":"assimp-utils","binary_version":"5.3.1+ds-2build1"},{"binary_name":"libassimp-dev","binary_version":"5.3.1+ds-2build1"},{"binary_name":"libassimp5","binary_version":"5.3.1+ds-2build1"},{"binary_name":"python3-pyassimp","binary_version":"5.3.1+ds-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-5165.json"}},{"package":{"name":"assimp","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/assimp@5.4.3+ds-2?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.3+ds-2"],"ecosystem_specific":{"binaries":[{"binary_name":"assimp-testmodels","binary_version":"5.4.3+ds-2"},{"binary_name":"assimp-utils","binary_version":"5.4.3+ds-2"},{"binary_name":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