An issue was discovered in the calamine crate before 0.17.0 for Rust.
Priority MEDIUM 46CWE-787Published · 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-787 and the CVSS impact.
Summary
An issue was discovered in the calamine crate before 0.17.0 for Rust. It allows attackers to overwrite heap-memory locations because Vec::set_len is used without proper memory claiming, and this uninitialized memory is used for a user-provided Read operation, as demonstrated by Sectors::get.
Why it matters now
EPSS 0.01749 77th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed calamine (crates.io): 0.17.0
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 |
| — | calamine (crates.io) | before 0.17.0 | 0.17.0 | Patch available | GHSA-ppqp-78xx-3r38 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- calamine (crates.io) Vendor— Affected before 0.17.0 Fixed in 0.17.0 Patch available GHSA-ppqp-78xx-3r38
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:calamine_project:calamine:*:*:*:*:*:rust:*:* | before 0.17.0 | Vulnerable | Calamine Project |
- cpe:2.3:a:calamine_project:calamine:*:*:*:*:*:rust:*:* Versions before 0.17.0 Vulnerable ·Calamine Project
Remediation
- Fix · GHSA-ppqp-78xx-3r38 calamine (crates.io) Fixed in 0.17.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-26951
- 2026-10-03 Alias added: GHSA-ppqp-78xx-3r38
References
Sources
- CVE-2021-26951 · CVE Program
- CVE-2021-26951 · NVD
- FIRST EPSS
- GHSA-ppqp-78xx-3r38 · GitHub Advisory Database · CC BY 4.0
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