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GoogleOSV:PYSEC-2021-426HistoryNov 09, 2021 - 10:15 p.m.
PYSEC-2021-426
2021-11-0922:15:00
Google
osv.dev
8
stark bank python
ecdsa library
signature forgery
EPSS
0.004
Percentile
72.5%
The verify function in the Stark Bank Python ECDSA library (ecdsa-python) 2.0.0 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.
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