UBUNTU-CVE-2020-36318

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2020-36318
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-36318.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-36318
Upstream
Published
2021-04-11T20:15:00Z
Modified
2025-10-24T04:48:59Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In the standard library in Rust before 1.49.0, VecDeque::make_contiguous has a bug that pops the same element more than once under certain condition. This bug could result in a use-after-free or double free.

References

Affected packages

Ubuntu:14.04:LTS / rustc

Package

Name
rustc
Purl
pkg:deb/ubuntu/rustc@1.31.0+dfsg1+llvm-2ubuntu1~14.04.1?arch=source&distro=trusty

Affected ranges

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

Affected versions

1.*

1.15.1+dfsg0-1~exp1ubuntu2~14.04.7
1.17.0+dfsg2-8~ubuntu0.14.04.3
1.21.0+dfsg1+llvm-0ubuntu3~14.04.5
1.22.1+dfsg1+llvm-0ubuntu2~14.04.2
1.24.1+dfsg1+llvm-0ubuntu1~14.04.1
1.25.0+dfsg1+llvm-0ubuntu1~14.04.1
1.28.0+dfsg1+llvm-0ubuntu1~14.04.1
1.30.0+dfsg1+llvm-2ubuntu1~14.04.1
1.31.0+dfsg1+llvm-2ubuntu1~14.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libstd-rust-1.31",
            "binary_version": "1.31.0+dfsg1+llvm-2ubuntu1~14.04.1"
        },
        {
            "binary_name": "libstd-rust-dev",
            "binary_version": "1.31.0+dfsg1+llvm-2ubuntu1~14.04.1"
        },
        {
            "binary_name": "rust-gdb",
            "binary_version": "1.31.0+dfsg1+llvm-2ubuntu1~14.04.1"
        },
        {
            "binary_name": "rust-lldb",
            "binary_version": "1.31.0+dfsg1+llvm-2ubuntu1~14.04.1"
        },
        {
            "binary_name": "rust-src",
            "binary_version": "1.31.0+dfsg1+llvm-2ubuntu1~14.04.1"
        },
        {
            "binary_name": "rustc",
            "binary_version": "1.31.0+dfsg1+llvm-2ubuntu1~14.04.1"
        }
    ]
}

Ubuntu:16.04:LTS / rustc

Package

Name
rustc
Purl
pkg:deb/ubuntu/rustc@1.47.0+dfsg1+llvm-1ubuntu1~16.04.1?arch=source&distro=xenial

Affected ranges

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

Affected versions

1.*

1.7.0+dfsg1-1
1.15.1+dfsg0-1~exp1ubuntu2~16.04.3
1.17.0+dfsg2-8~ubuntu0.16.04.2
1.21.0+dfsg1+llvm-0ubuntu3~16.04.1
1.22.1+dfsg1+llvm-0ubuntu2~16.04.2
1.24.1+dfsg1+llvm-0ubuntu1~16.04.1
1.25.0+dfsg1+llvm-0ubuntu1~16.04.1
1.28.0+dfsg1+llvm-0ubuntu1~16.04.1
1.30.0+dfsg1+llvm-2ubuntu1~16.04.1
1.31.0+dfsg1+llvm-2ubuntu1~16.04.1
1.32.0+dfsg1+llvm-1ubuntu1~16.04.1
1.34.1+dfsg2+llvm-0ubuntu1~16.04.1
1.35.0+dfsg0.1+llvm-0ubuntu1~16.04.1
1.36.0+dfsg1+llvm-2ubuntu1~16.04.1
1.37.0+dfsg1+llvm-1ubuntu1~16.04.1
1.39.0+dfsg1+llvm-3ubuntu1~16.04.1
1.41.0+dfsg1+llvm-0ubuntu1~16.04.1
1.43.0+dfsg1+llvm-1~exp1ubuntu2~16.04.1
1.47.0+dfsg1+llvm-1ubuntu1~16.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libstd-rust-1.47",
            "binary_version": "1.47.0+dfsg1+llvm-1ubuntu1~16.04.1"
        },
        {
            "binary_name": "libstd-rust-dev",
            "binary_version": "1.47.0+dfsg1+llvm-1ubuntu1~16.04.1"
        },
        {
            "binary_name": "rust-gdb",
            "binary_version": "1.47.0+dfsg1+llvm-1ubuntu1~16.04.1"
        },
        {
            "binary_name": "rust-lldb",
            "binary_version": "1.47.0+dfsg1+llvm-1ubuntu1~16.04.1"
        },
        {
            "binary_name": "rust-src",
            "binary_version": "1.47.0+dfsg1+llvm-1ubuntu1~16.04.1"
        },
        {
            "binary_name": "rustc",
            "binary_version": "1.47.0+dfsg1+llvm-1ubuntu1~16.04.1"
        }
    ]
}