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CVE-2020-36478 PUBLISHED

An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). A NULL algorithm parameters entry looks identical to an array of REAL (size zero) and thus the certificate is considered valid. However, if the parameters do not match in any way, then the certificate should be considered invalid.

EPSS 0.52% · 66.6th percentile

Risk Scores

EPSS Score
0.52%
66.6th percentile

Affected Products

VendorProductVersions
Ubuntu:18.04:LTSmbedtls0, 2.5.1-1ubuntu1, 2.6.0-1
Ubuntu:16.04:LTSmbedtls2.2.1-2ubuntu0.1, 2.2.1-2ubuntu0.2, 2.2.1-2ubuntu0.3
Ubuntu:20.04:LTSmbedtls0, 2.16.2-1, 2.16.3-1

Timeline

References

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