Vulnerability · Published Dec 31, 2020 · Assigned by mitre

CVE-2020-35910

Medium 5.5

In plain English

A medium-severity security flaw in the rust-lock-api package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 73.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12rust-lock-api0.4.5-1DEBIAN-CVE-2020-35910
Debian:13rust-lock-api0.4.5-1DEBIAN-CVE-2020-35910
Debian:14rust-lock-api0.4.5-1DEBIAN-CVE-2020-35910
Ubuntu:22.04:LTSrust-lock-apino fix listedUBUNTU-CVE-2020-35910
Ubuntu:24.04:LTSrust-lock-apino fix listedUBUNTU-CVE-2020-35910
Ubuntu:25.10rust-lock-apino fix listedUBUNTU-CVE-2020-35910
Ubuntu:26.04:LTSrust-lock-apino fix listedUBUNTU-CVE-2020-35910
Ubuntu:26.10rust-lock-apino fix listedUBUNTU-CVE-2020-35910

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References