Double Free in Openssl
CVE-2022-4450
The function PEM_read_bio_ex() reads a PEM file from a BIO and parses and decodes the "name" (e.g. "CERTIFICATE"), any header data and the payload data. If the function succeeds then the "name_out", "header" and "data" arguments are popula…
Vulnerability class: Double Free
EPSS: 0.204 (97.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Openssl — versions 3.0.0, 1.1.1
- Stormshield Stormshield_network_security
Weakness classification (CWE)
Public proof-of-concept exploits
References
- openssl-security@openssl.org (vendor-advisory, Vendor Advisory)
- openssl-security@openssl.org (Patch, patch, Vendor Advisory)
- openssl-security@openssl.org (Patch, patch, Vendor Advisory)
- openssl-security@openssl.org
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-4450?
- CVE-2022-4450 is a high-severity vulnerability in Openssl, classified under Double Free. CVSS score: 7.5/10. Published 2023-02-08.
- How severe is CVE-2022-4450?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-4450 known to be exploited?
- 21 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.