cve.bz

CVE-2020-35911

4.7 mediumEPSS 0.2%

Medium (4.7) in lock api project lock api. EPSS 0.2% chance of exploitation in the next 30 days. Fixed in lock_api 0.4.2.

An issue was discovered in the lock_api crate before 0.4.2 for Rust. A data race can occur because of MappedRwLockReadGuard unsoundness.

Severity

CVSS 3.1

4.7 medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-31)
CWE
CWE-362
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-5wg8-7c9q-794vcrates.iolock_api<0.4.20.4.2
GHSA-gmv4-vmx3-x9f3crates.iolock_api<0.4.20.4.2
GHSA-hj9h-wrgg-hgmxcrates.iolock_api<0.4.20.4.2
GHSA-ppj3-7jw3-8vc4crates.iolock_api<0.4.20.4.2
GHSA-vh4p-6j7g-f4j9crates.iolock_api<0.4.20.4.2
RUSTSEC-2020-0070crates.iolock_api>=0.0.0-0 <0.4.20.4.2

References

Check your stackJSON