Answer in brief
CVE-2026-13466 records a High severity (CVSS 8.3) vulnerability in Unit Confusion in VAB Authentication. The current sources do not mark it as known exploited. The current feed maps Altera/Trusted Firmware (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Altera/Trusted Firmware (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Altera/Trusted Firmwaregeneric | >=0 <=socfpga_v2.14.0 | Not reported |
Published upstream
Sep 24, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 24, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 25, 2026
Incorrect calculation of buffer size vulnerability in Altera Trusted Firmware on HPS allows Overflow Buffers. This issue affects Trusted Firmware: through socfpga_v2.14.0.
Quoted source text, attributed separately from HOL analysis.