{"id":"GHSA-grjp-54v3-c442","aliases":[],"status":"published","title":"OpenUSD File Parsing Use-After-Free Remote Code Execution Vulnerability","description":"# Patch\nThis is fixed with [commit b953092](https://github.com/PixarAnimationStudios/OpenUSD/commit/b9530922b6a8ea72cd43661226b693fff8abbe4c), with the fix available in OpenUSD 25.11 and onwards.\n\n# Summary\nWe have been advised by Zero Day Initiative that our usage of the USD framework may constitute a Use-After-Free Remote Code Execution Vulnerability. They have sent us the attached file illustrating the issue. Indeed, we see a use after free exception when running the file through our importer with an address sanitizer.\n\n[zdi-23709-poc0.zip](https://github.com/user-attachments/files/17474297/zdi-23709-poc0.zip)\n\nThanks in advance.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2025-10-29T22:13:03Z","modified":"2026-01-13T13:42:43Z","fixes":[{"ecosystem":"PyPI","package":"usd-core","fixed_in":["25.11"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"usd-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"25.08"},{"fixed":"25.11"}]}]},{"source":"osv","ecosystem":"PyPI","package":"usd-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"25.11"}]}],"versions":["20.11","21.11","21.2","21.5","21.8","22.11","22.3","22.5","22.5.post1","22.8","23.11","23.2","23.5","23.8","24.11","24.3","24.5","24.8","25.2","25.2.post1","25.5","25.5.1","25.8"]}],"references":[{"url":"https://github.com/PixarAnimationStudios/OpenUSD/security/advisories/GHSA-grjp-54v3-c442","tags":["web"]},{"url":"https://github.com/PixarAnimationStudios/OpenUSD/commit/b9530922b6a8ea72cd43661226b693fff8abbe4c","tags":["web"]},{"url":"https://github.com/advisories/GHSA-grjp-54v3-c442"},{"url":"https://github.com/PixarAnimationStudios/OpenUSD","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-grjp-54v3-c442","title":"OpenUSD File Parsing Use-After-Free Remote Code Execution Vulnerability","description":"# Patch\nThis is fixed with [commit b953092](https://github.com/PixarAnimationStudios/OpenUSD/commit/b9530922b6a8ea72cd43661226b693fff8abbe4c), with the fix available in OpenUSD 25.11 and onwards.\n\n# Summary\nWe have been advised by Zero Day Initiative that our usage of the USD framework may constitute a Use-After-Free Remote Code Execution Vulnerability. They have sent us the attached file illustrating the issue. Indeed, we see a use after free exception when running the file through our importer with an address sanitizer.\n\n[zdi-23709-poc0.zip](https://github.com/user-attachments/files/17474297/zdi-23709-poc0.zip)\n\nThanks in advance.","status":"published","published":"2025-10-29T22:13:03Z","modified":"2026-01-13T13:42:43Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:39:17.333958Z"}],"osv":[{"id":"GHSA-grjp-54v3-c442","title":"OpenUSD File Parsing Use-After-Free Remote Code Execution Vulnerability","description":"# Patch\nThis is fixed with [commit b953092](https://github.com/PixarAnimationStudios/OpenUSD/commit/b9530922b6a8ea72cd43661226b693fff8abbe4c), with the fix available in OpenUSD 25.11 and onwards.\n\n# Summary\nWe have been advised by Zero Day Initiative that our usage of the USD framework may constitute a Use-After-Free Remote Code Execution Vulnerability. They have sent us the attached file illustrating the issue. Indeed, we see a use after free exception when running the file through our importer with an address sanitizer.\n\n[zdi-23709-poc0.zip](https://github.com/user-attachments/files/17474297/zdi-23709-poc0.zip)\n\nThanks in advance.","status":"published","published":"2025-10-29T22:13:03Z","modified":"2025-10-29T22:31:30.040308Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:46:48.191583Z"}]}}