Vulnerability · Published Dec 31, 2020 · Assigned by mitre

CVE-2020-35861

High 7.5

In plain English

A high-severity security flaw in the rust-bumpalo package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.5%top 25.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An issue was discovered in the bumpalo crate before 3.2.1 for Rust. The realloc feature allows the reading of unknown memory. Attackers can potentially read cryptographic keys.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12rust-bumpalo3.2.1-1DEBIAN-CVE-2020-35861
Debian:13rust-bumpalo3.2.1-1DEBIAN-CVE-2020-35861
Debian:14rust-bumpalo3.2.1-1DEBIAN-CVE-2020-35861

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References