{"id":"CVE-2020-6156","aliases":["EUVD-2020-27310","GHSA-wj4q-g69x-hrg9"],"status":"published","title":"A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed...","description":"A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file in an instance USDC file format path element token index.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01347,"percentile":0.71672,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2020-11-13T14:41:58Z","modified":"2026-10-24T10:31:02Z","products":[{"vendor":"pixar","product":"openusd"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1094","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-6156"},{"url":"https://github.com/advisories/GHSA-wj4q-g69x-hrg9"}],"sources":{"cve":[{"id":"CVE-2020-6156","description":"A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file in an instance USDC file format path element token index.","status":"published","published":"2020-11-13T14:41:58Z","modified":"2024-08-04T08:55:21.518Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:52.925152Z"}],"euvd":[{"id":"EUVD-2020-27310","description":"A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file in an instance USDC file format path element token index.","status":"published","published":"2020-11-13T14:41:58Z","modified":"2024-08-04T08:55:21Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:08:04.192112Z"}],"ghsa":[{"id":"GHSA-wj4q-g69x-hrg9","title":"A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed...","description":"A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file in an instance USDC file format path element token index.","status":"published","published":"2022-05-24T17:34:06Z","modified":"2023-01-29T05:05:20Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:45:45.932105Z"}],"nvd":[{"id":"CVE-2020-6156","description":"A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file in an instance USDC file format path element token index.","status":"published","published":"2020-11-13T15:15:13.127Z","modified":"2026-06-17T03:22:47.61Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:06:24.137599Z"}],"osv":[{"id":"CVE-2020-6156","description":"A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file in an instance USDC file format path element token index.","status":"published","published":"2020-11-13T15:15:13.127Z","modified":"2026-10-24T10:31:02.722451226Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:17.34531Z"}]}}