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CVE-2020-36478

CVE-2020-36478

EPSS 1.1%
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.
Affected products
n/a · n/a

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References
https://cert-portal.siemens.com/productcert/pdf/ssa-756638.pdfhttps://github.com/ARMmbed/mbedtls/issues/3629https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.9https://github.com/ARMmbed/mbedtls/releases/tag/v2.25.0https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.18https://lists.debian.org/debian-lts-announce/2021/11/msg00021.htmlhttps://lists.debian.org/debian-lts-announce/2022/12/msg00036.html