An issue was discovered in the yottadb crate before 1.2.0 for Rust.
Priority MEDIUM 45CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-416 and the CVSS impact.
Summary
An issue was discovered in the yottadb crate before 1.2.0 for Rust. For some memory-allocation patterns, ydb_subscript_next_st and ydb_subscript_prev_st have a use-after-free.
Why it matters now
EPSS 0.01355 71st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed yottadb (crates.io): 1.2.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | yottadb (crates.io) | before 1.2.0 | 1.2.0 | Patch available | GHSA-9658-c26v-7qvf |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- yottadb (crates.io) Vendor— Affected before 1.2.0 Fixed in 1.2.0 Patch available GHSA-9658-c26v-7qvf
Remediation
- Fix · GHSA-9658-c26v-7qvf yottadb (crates.io) Fixed in 1.2.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27377
- 2026-10-03 Alias added: GHSA-9658-c26v-7qvf
References
More Yottadb vulnerabilities
- TI-2021-20089 An issue was discovered in YottaDB through r1.32 and V7.0-000. CVSS 3.1CRITICAL 9.8
- TI-2021-20091 An issue was discovered in YottaDB through r1.32 and V7.0-000. CVSS 3.1CRITICAL 9.1
- TI-2021-20098 An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through… CVSS 3.1HIGH 7.5
- TI-2021-20097 An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through… CVSS 3.1HIGH 7.5
- TI-2021-20096 An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through… CVSS 3.1HIGH 7.5
- TI-2021-20095 An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through… CVSS 3.1HIGH 7.5
Sources
- CVE-2021-27377 · CVE Program
- CVE-2021-27377 · NVD
- FIRST EPSS
- GHSA-9658-c26v-7qvf · GitHub Advisory Database · CC BY 4.0
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