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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.013 (70.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.013 · change: +0.002
Affected products
- Golang Go
- Go Standard Library Crypto/tls — versions 1.21.0-0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- go.dev/issue/62266 (Issue Tracking)
- go.dev/cl/523039 (Patch)
- groups.google.com/g/golang-dev/c/2C5vbR-UNkI/m/L1hdrPhfBAAJ (Mailing List, Release Notes)
- pkg.go.dev/vuln/GO-2023-2045 (Vendor Advisory)
- security.netapp.com/advisory/ntap-20231020-0004/ (Third Party Advisory)
- security.gentoo.org/glsa/202311-09
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.