title: ChaCha20/Poly1305 heap-buffer-overflow
description: In OpenSSL 1.1.0 before 1.1.0c, TLS connections using *-CHACHA20-POLY1305 ciphersuites are susceptible to a DoS attack by corrupting larger payloads. This can result in an OpenSSL crash. This issue is not considered to be exploitable beyond a DoS.
problem types: protocol error
affected:
{
product: OpenSSL
vendor: OpenSSL
versions:
status: affected, version: openssl-1.1.0
status: affected, version: openssl-1.1.0a
status: affected, version: openssl-1.1.0b
}
metrics:
other: [
content: {'lang': 'eng', 'url': 'https://www.openssl.org/policies/secpolicy.html#High', 'value': 'High'}
type: unknown
]