CVE-2026-8720

wcBlake2bHmacFinal and wcBlake2sHmacFinal discard the message when the key length exceeds the block size, producing a MAC that is independent of the input. When the supplied key is longer than the BLAKE2 block size the key-hashing branch reinitialized the running hash state, discarding the...

PT-2023-9291 · Libnbd +5 · Libnbd +5

Name of the Vulnerable Software and Affected Versions: libnbd affected versions not specified Description: A flaw was found in libnbd where a server can reply with a block size larger than 2^63, which is a 64-bit unsigned value according to the NBD spec. This issue could lead to an application...