Vulnerability Intelligence Report
CVE-2021-26365
Certain size values in firmware binary headers could trigger out of bounds reads during signature validation, leading to denial of service or potentially limited leakage of information about out-of-bounds memory contents.
No Active Exploit Signals
CVSS Base Score
8.2
HIGH
Exploitability:3.9
Impact Score:4.3
EPSS Probability:0.57%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-125 ↗CWE-125 Out-of-bounds Read
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| AMD | Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4 | various (affected) |
| AMD | Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 | various (affected) |
| AMD | Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP | various (affected) |
| AMD | Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock” | various (affected) |
| AMD | Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5 | various (affected) |
| AMD | Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso” | various (affected) |
| AMD | Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” | various (affected) |
| AMD | Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” | various (affected) |
| AMD | Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” | various (affected) |
| AMD | Ryzen™ 6000 Series Mobile Processors "Rembrandt" | various (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.571%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Advanced Micro Devices Inc. · Vendor · USA |
| Reserved | 2021-01-29T21:24:26 |
| Published | 2023-05-09T18:58:57 |
| Patch Date | 2023-05-09 |
| Last Updated | 2025-01-28T15:47:24 |
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