Information Exposure Affecting wolfssl/wolfssl package, versions [,5.9.0-stable)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-WOLFSSLWOLFSSL-15762316
- published24 Mar 2026
- disclosed19 Mar 2026
- creditWind Wong
Introduced: 19 Mar 2026
NewCVE-2026-3580 (opens in a new tab)How to fix?
Upgrade wolfssl/wolfssl to version 5.9.0-stable or higher.
Overview
Affected versions of this package are vulnerable to Information Exposure in the sp_256_get_entry_256_9 function when compiled for RISC-V RV32I with GCC using the -O3 optimization flag. An attacker can recover secret keys by performing timing analysis on the side-channel leakage introduced by compiler optimizations.