Integer overflow in chunking helper causes dispatching to miss elements or panic
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
SpiceDB is an open source, Google Zanzibar-inspired database for creating and managing security-critical application permissions. Integer overflow in chunking helper causes dispatching to miss elements or panic. Any SpiceDB cluster with any schema where a resource being checked has more than 65535 relationships for the same resource and subject type is affected by this problem. The CheckPermission, BulkCheckPermission, and LookupSubjects API methods are affected. This vulnerability is fixed in 1.29.2.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| authzed | spicedb | before 1.29.2 | 1.29.2 | Patch available | CNA |
| — | github.com/authzed/spicedb (Go) | before 1.29.2 | 1.29.2 | Patch available | GHSA-h3m7-rqc4-7h9p |
- spicedb Vendorauthzed Affected before 1.29.2 Fixed in 1.29.2 Patch available CNA
- github.com/authzed/spicedb (Go) Vendor— Affected before 1.29.2 Fixed in 1.29.2 Patch available GHSA-h3m7-rqc4-7h9p
Remediation
- Fix · CNA spicedb (authzed) Fixed in 1.29.2
- Fix · GHSA-h3m7-rqc4-7h9p github.com/authzed/spicedb (Go) Fixed in 1.29.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-27101
- 2026-10-03 Alias added: GHSA-h3m7-rqc4-7h9p
References
More authzed Spicedb vulnerabilities
- TI-2025-31139 SpiceDB checks involving relations with caveats can result in no permission when permission is expected CVSS 3.1MEDIUM 5.3
- TI-2023-13621 SpiceDB binding metrics port to untrusted networks and can leak command-line flags CVSS 3.1HIGH 8.7
- TI-2022-06024 Lookup operations do not take into account wildcards in SpiceDB CVSS 3.1HIGH 8.1
- TI-2023-24882 `SPICEDB_DATASTORE_CONN_URI` is leaked when URI cannot be parsed CVSS 3.1MEDIUM 6.5
- TI-2026-28919 SpiceDB: SPICEDB_DATASTORE_CONN_URI is leaked on startup logs CVSS 3.1MEDIUM 6.0
- TI-2024-31378 Multiple caveats on resources of the same type can result in no permission when permission is expected CVSS 3.1MEDIUM 5.3
Sources
- CVE-2024-27101 · CVE Program
- CVE-2024-27101 · NVD
- FIRST EPSS
- GHSA-h3m7-rqc4-7h9p · GitHub Advisory Database · CC BY 4.0
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