Resource exhaustion in Golang Go
CVE-2023-39322
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.
EPSS: 0.011 (63.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Golang Go
- Go Standard Library Crypto/tls — versions 1.21.0-0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@golang.org (Issue Tracking)
- security@golang.org (Patch)
- security@golang.org (Mailing List, Release Notes)
- security@golang.org (Vendor Advisory)
- security@golang.org (Third Party Advisory)
- security@golang.org
Frequently asked questions
- What is CVE-2023-39322?
- CVE-2023-39322 is a high-severity vulnerability in Golang Go, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-09-08.
- How severe is CVE-2023-39322?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-39322 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.