CVE-2026-33818
Enforce maximum recursion depth in encoding/asn1
HIGH
7.5
CVSS Score
Published: August 13, 2026 at 09:58 PM UTC
Updated: November 1, 2026 at 11:18 PM UTC
1 product affected across 1 vendorGo
Using encoding/asn1 by Go standard library?
Get instant alerts when new vulnerabilities affect encoding/asn1 - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit
Description
Enforce a recursion limit in Unmarshal to prevent stack exhaustion when parsing deeply-nested, recursive structures.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 1.25.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.26.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.27.0-rc.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (4)
Source: cverecord
https://go.dev/issue/80405Source: cverecord
https://groups.google.com/g/golang-announce/c/94pEornpRlISource: cverecord
https://go.dev/cl/814980Source: cverecord
https://pkg.go.dev/vuln/GO-2026-5972SSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGH134c704f-9b21-4f2e-91b3-4a467353bcc0
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-400
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card