CVEvulnerability

CVE-2021-26951

9.8 CRITICAL Published 2021-02-09 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-02-09
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-787, CWE-908

Description

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.

Affected configurations

• calamine project calamine (< 0.17.0)

Related

Weakness · CWE (2)

  • CWE-787 Out-of-bounds Write weakness
  • CWE-908 Use of Uninitialized Resource weakness

References