VDB

CVE-2026-3579

CVE-2026-3579 PUBLISHED CVSS 2.0999999046325684 LOW

wolfSSL 5.8.4 on RISC-V RV32I architectures lacks a constant-time software implementation for 64-bit multiplication. The compiler-inserted __muldi3 subroutine executes in variable time based on operand values. This affects multiple SP math functions (sp_256_mul_9, sp_256_sqr_9, etc.), leading to a timing side-channel that may expose sensitive cryptographic data.

EPSS 0.01% · 1.7th percentile

Risk Scores

CVSS v4.0
2.0999999046325684
CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
EPSS Score
0.01%
1.7th percentile

Affected Products

VendorProductVersions
wolfSSLwolfSSL0, 0, 0
wolfsslwolfssl5.8.4, 5.8.4, 5.8.4

Timeline

  • Mar 19, 2026 PoC Published
  • Mar 19, 2026 CVE Published
  • Mar 20, 2026 EPSS Score
  • Mar 20, 2026 Coalition ESS Score
  • Mar 21, 2026 EPSS Score
  • Mar 21, 2026 Coalition ESS Score
  • Mar 22, 2026 EPSS Score
  • Mar 23, 2026 EPSS Score
  • Mar 24, 2026 EPSS Score
  • Mar 24, 2026 CVE Updated
  • Mar 25, 2026 EPSS Score
  • Mar 29, 2026 Security Advisory
Open in Interactive Console →
$ Console Community · 100/wk Open console ›