H1-3533945 — Vulnetix

H1-3533945 PUBLISHED CVSS 5.900000095367432 MEDIUM

Timing side-channel in HMAC verification via memcmp() in crypto_hmac.cc leads to potential MAC forgery

Risk Scores

CVSS v3.1

5.900000095367432

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Timeline

Mar 30, 2026 CVE Published
Mar 30, 2026 PoC Published

References

Timing side-channel in HMAC verification via memcmp() in crypto_hmac.cc leads to potential MAC forgery advisory

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