GO-2023-2045

vendorUSosv

Memory exhaustion in QUIC connection handling in crypto/tls

view advisory published 2023-09-07Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2023-39322US	high7.5	1.34% (71st)	—	2023-09-08
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 growt…

references

External citations — patches, advisories, analysis.

https://go.dev/cl/523039FIX
https://go.dev/issue/62266REPORT
https://groups.google.com/g/golang-dev/c/2C5vbR-UNkI/m/L1hdrPhfBAAJWEB

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