CVE-2023-39322
Memory exhaustion in QUIC connection handling in crypto/tls
7.5
HIGH
CVSS 3.1
EPSS 0.04%
Description
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.
How to fix CVE-2023-39322
To remediate CVE-2023-39322, upgrade the affected package to a fixed version below.
- —upgrade to 1.21.1 or later
- —upgrade to 1.21.1 or later
Is CVE-2023-39322 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 1.21.0, < 1.21.1
- >= 1.21.0-0, < 1.21.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |