CVE-2020-12401

CVE-2020-12401

EPSS 0.3%

During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

Affected products

Mozilla · Firefox Mozilla · Firefox for Android

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1631573 https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html https://www.mozilla.org/security/advisories/mfsa2020-36/https://www.mozilla.org/security/advisories/mfsa2020-39/