{"cve":"CVE-2021-26365","nvd":{"published":"2023-05-09T19:15:10.780","modified":"2026-06-17T03:43:14.467","status":"Modified","description":"Certain size values in firmware binary headers\ncould trigger out of bounds reads during signature validation, leading to\ndenial of service or potentially limited leakage of information about\nout-of-bounds memory contents.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","score":8.2},"cwes":["CWE-125"],"references":["https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001","https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001"],"products":["amd:amd_3015ce_firmware","amd:amd_3015e_firmware","amd:ryzen_3_2200g_firmware","amd:ryzen_3_2200ge_firmware","amd:ryzen_3_2200u_firmware","amd:ryzen_3_2300u_firmware","amd:ryzen_3_3200g_firmware","amd:ryzen_3_3200ge_firmware","amd:ryzen_3_3200u_firmware","amd:ryzen_3_3250c_firmware","amd:ryzen_3_3250u_firmware","amd:ryzen_3_5300g_firmware","amd:ryzen_3_5300ge_firmware","amd:ryzen_3_5300u_firmware","amd:ryzen_3_pro_2100ge_firmware","amd:ryzen_3_pro_3200g_firmware","amd:ryzen_3_pro_3200ge_firmware","amd:ryzen_5_2400g_firmware","amd:ryzen_5_2400ge_firmware","amd:ryzen_5_2500u_firmware","amd:ryzen_5_2600h_firmware","amd:ryzen_5_3400g_firmware","amd:ryzen_5_5500_firmware","amd:ryzen_5_5500u_firmware","amd:ryzen_5_5600_firmware","amd:ryzen_5_5600g_firmware","amd:ryzen_5_5600ge_firmware","amd:ryzen_5_5600x_firmware","amd:ryzen_5_6600h_firmware","amd:ryzen_5_6600hs_firmware","amd:ryzen_5_6600u_firmware","amd:ryzen_5_pro_3350g_firmware","amd:ryzen_5_pro_3350ge_firmware","amd:ryzen_5_pro_3400g_firmware","amd:ryzen_5_pro_3400ge_firmware","amd:ryzen_7_2700u_firmware","amd:ryzen_7_2800h_firmware","amd:ryzen_7_5700g_firmware","amd:ryzen_7_5700ge_firmware","amd:ryzen_7_5700u_firmware","amd:ryzen_7_5700x_firmware","amd:ryzen_7_5800_firmware","amd:ryzen_7_5800x3d_firmware","amd:ryzen_7_5800x_firmware","amd:ryzen_7_6800h_firmware","amd:ryzen_7_6800hs_firmware","amd:ryzen_7_6800u_firmware","amd:ryzen_9_5900_firmware","amd:ryzen_9_5900x_firmware","amd:ryzen_9_5950x_firmware"],"source":"nvd","synced_at":"2026-10-19T21:38:18.424950729+00:00"},"epss":{"cve":"CVE-2021-26365","score":0.00571,"percentile":0.47262,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}