Debian Security Advisory 1333-1 - It has been discovered that the GnuTLS certificate verification methods implemented in libcurl-gnutls, a solid, usable, and portable multi-protocol file transfer library, did not check for expired or invalid dates.
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Ubuntu Security Notice 484-1 - It was discovered that the GnuTLS certificate verification methods implemented in Curl did not check for expiration and activation dates. When performing validations, tools using libcurl3-gnutls would incorrectly allow connections to sites using expired certificates.
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