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Servers and applications

CVE-2020-36323

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.

Severity
High 8.2
Published
14 Apr 2021
Last changed
17 Jun 2026
Added to UpHeron
22 Oct 2026
Fixed in
1.52.0
Sources
NVD

Affected software

SoftwareAffected versions
RustServers and applications · cpe:a:rust-lang:rust
  • Every version before 1.52.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-36323
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-36323