Double Free in Bitvec Project

CVE-2020-35862

An issue was discovered in the bitvec crate before 0.17.4 for Rust. BitVec to BitBox conversion leads to a use-after-free or double free.

Vulnerability class: Double Free

EPSS: 0.016 (73.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-35862?
CVE-2020-35862 is a critical-severity vulnerability in Bitvec Project, classified under Double Free. CVSS score: 9.8/10. Published 2020-12-31.
How severe is CVE-2020-35862?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-35862 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.