CVE-2020-36323
Publication date 14 April 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
In the standard library in Rust before 1.52.0, there is an optimization for joining strings that can cause uninitialized bytes to be exposed (or the program to crash) if the borrowed string changes after its length is checked.
Status
Package | Ubuntu Release | Status |
---|---|---|
rustc | 24.04 LTS noble |
Not affected
|
22.04 LTS jammy |
Fixed 1.53.0+dfsg1+llvm-4ubuntu1
|
|
20.04 LTS focal |
Fixed 1.53.0+dfsg1+llvm-4ubuntu1~20.04.1
|
|
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial |
Vulnerable
|
|
14.04 LTS trusty |
Vulnerable
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.2 · High |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | Low |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |