← back
CVE-2023-39322

Memory exhaustion in QUIC connection handling in crypto/tls

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 1.3%
exploitation probability
1.3%top 30% of all CVEs
observed exploitation
nono source reports it
QUIC connections do not set an upper bound on the amount of data buffered when reading post-handshake messages, allowing a malicious QUIC connection to cause unbounded memory growth. With fix, connections now consistently reject messages larger than 65KiB in size.