Memory Safety Vulnerability in Rust Library Affecting String Handling

CVE-2020-36317

What is CVE-2020-36317?

The standard library in Rust prior to version 1.49.0 contains a memory safety issue in the String::retain() function, which can be triggered when the provided closure panics. This flaw may lead to the creation of a non-UTF-8 encoded string, raising concerns when other string APIs operate under the assumption of UTF-8 encoding. The potential ramifications of this vulnerability include memory safety violations, which can compromise the integrity of data handling in Rust applications.

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