{"schemaVersion":3,"id":"CVE-2017-7805","aliases":["RHSA-2017:2832","UBUNTU-CVE-2017-7805","USN-3431-1","DEBIAN-CVE-2017-7805","DLA-1138-1","DSA-3998-1"],"status":"published","duplicateOf":null,"title":null,"description":"During TLS 1.2 exchanges, handshake hashes are generated which point to a message buffer. This saved data is used for later messages but in some cases, the handshake transcript can exceed the space available in the current buffer, causing the allocation of a new buffer. This leaves a pointer pointing to the old, freed buffer, resulting in a use-after-free when handshake hashes are then calculated afterwards. This can result in a potentially exploitable crash. 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