UBUNTU-CVE-2020-35861

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2020-35861
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35861.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-35861
Upstream
Published
2020-12-31T10:15:00Z
Modified
2025-09-08T16:46:32Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in the bumpalo crate before 3.2.1 for Rust. The realloc feature allows the reading of unknown memory. Attackers can potentially read cryptographic keys.

References

Affected packages

Ubuntu:Pro:20.04:LTS / rust-bumpalo

Package

Name
rust-bumpalo
Purl
pkg:deb/ubuntu/rust-bumpalo@3.1.2-1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.5.0-3
2.6.0-1

3.*

3.1.2-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "librust-bumpalo-dev",
            "binary_version": "3.1.2-1"
        }
    ]
}