Medium severity5.9NVD Advisory· Published Apr 14, 2021· Updated Jun 17, 2026

CVE-2017-20004

Description

In the standard library in Rust before 1.19.0, there is a synchronization problem in the MutexGuard object. MutexGuards can be used across threads with any types, allowing for memory safety issues through race conditions.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Rust Lang/Rustllm-fuzzy2 versions
<1.19.0+ 1 more
- (no CPE)range: <1.19.0
- cpe:2.3:a:rust-lang:rust:*:*:*:*:*:*:*:*range: <1.19.0
Rust/Rust standard librarycpe-rescue

Patches

Vulnerability mechanics

References

github.com/rust-lang/rust/issues/41622nvdPatchThird Party Advisory
github.com/rust-lang/rust/pull/41624nvdPatchThird Party Advisory

News mentions

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cvss	0.384
epss	0.001
exploit	0.000
kev	0.000
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ransomware	0.000