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TI-2021-08550 Aliases CVE-2021-26951GHSA-ppqp-78xx-3r38

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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—calamine (crates.io)before 0.17.00.17.0Patch availableGHSA-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

CPEVersionsRoleVendor
cpe:2.3:a:calamine_project:calamine:*:*:*:*:*:rust:*:*before 0.17.0VulnerableCalamine 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

  1. 2026-10-02 Threatist record created from CVE-2021-26951
  2. 2026-10-03 Alias added: GHSA-ppqp-78xx-3r38

References

Sources