CVE Vulnerabilities

CVE-2020-35862

Double Free

Published: Dec 31, 2020 | Modified: Jan 06, 2021

CVSS 3.x

9.8

CRITICAL

Source:

NVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.x

7.5 HIGH

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2020-35862
CWE	https://cwe.mitre.org/data/definitions/415.html

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.

Weakness

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

Affected Software

Name	Vendor	Start Version	End Version
Bitvec	Bitvec_project	*	0.17.4 (excluding)

Potential Mitigations

References

https://rustsec.org/advisories/RUSTSEC-2020-0007.html

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