CVE-2022-32189
Panic when decoding Float and Rat types in math/big
HIGH
7.5
CVSS Score
Published: August 9, 2022 at 08:17 PM UTC
Updated: October 8, 2026 at 10:17 PM UTC
2 products affected across 2 vendorsGoGo
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Severity
HIGH7.5
Exploit prediction
EPSS 3%
SSVC
No known exploit
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.17.131.18.0 ≤ v < 1.18.5*
Affected range stops below 1.17.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.18.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.17.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.18.5, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
Mailing ListPatch
Source: [email protected]
https://go.googlesource.com/go/+/055113ef364337607e3e72ed7d48df67fde6fc66Mailing ListThird Party Advisory
Source: [email protected]
https://groups.google.com/g/golang-announce/c/YqYYG87xB10SSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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