Vulnerability in Golang Go
CVE-2022-32189
A too-short encoded message can cause a panic in Float.GobDecode and Rat GobDecode in math/big in Go before 1.17.13 and 1.18.5, potentially allowing a denial of service.
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: 0.025 (83.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: -0.000
Affected products
- Golang Go
- Go Standard Library Math/big — versions 0, 1.18.0-0
Public proof-of-concept exploits
References
- go.dev/cl/417774 (Patch)
- go.googlesource.com/go/+/055113ef364337607e3e72ed7d48df67fde6fc66 (Patch, Mailing List)
- go.dev/issue/53871 (Exploit, Third Party Advisory)
- groups.google.com/g/golang-announce/c/YqYYG87xB10 (Mailing List, Third Party Advisory)
- pkg.go.dev/vuln/GO-2022-0537 (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-32189?
- CVE-2022-32189 is a high-severity vulnerability in Golang Go. CVSS score: 7.5/10. Published 2022-08-10.
- How severe is CVE-2022-32189?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-32189 known to be exploited?
- 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.