CVE-2026-3580 is a side-channel vulnerability in wolfSSL version 5.8.4, specifically affecting ECC scalar multiplication on RISC-V RV32I architectures when compiled with GCC -O3. This flaw allows a local attacker to potentially recover secret cryptographic keys via timing analysis. The vulnerability has a CVSS score of 4.7 (Medium) due to its local attack vector and high attack complexity, posing a high risk to confidentiality. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, and its EPSS score indicates an extremely low probability of exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0, < 5.9.0CPE match | cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:* | ||
5.8.4CPE matchmatch criteria | cpe:2.3:a:wolfssl:wolfssl:5.8.4:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.