InfraGuard
Sign in Try it now Buy now

OpenSSL 3.3 vulnerabilities

3 known CVEs affect the 3.3 line of OpenSSL.

9.8 max CVSSSupport ended 2026-04-09

Fixed in

3.3.13.3.53.3.6
Check your versionopenssl version

CVEs affecting 3.3

CVE Title CVSS Exploited EPSS Published
CVE-2024-4741 Use After Free with SSL_free_buffers 9.8 — 2024-11-13
CVE-2025-15467 Stack buffer overflow in CMS (Auth)EnvelopedData parsing 8.8 — 2026-01-27
CVE-2025-9232 Out-of-bounds read in HTTP client no_proxy handling 5.9 — 2025-09-30

Track these versions on your own servers

InfraGuard collects installed software versions from every server and flags the ones with known vulnerabilities. Self-hosted — nothing leaves your network.

Try the live demo Buy now

Weekly exploited-vulnerability digest

The KEV additions that matter for self-hosted servers, once a week. No other mail.

Data: CVE List (CVE® Program), NVD, CISA KEV, FIRST EPSS (see EPSS at https://www.first.org/epss), endoflife.date. Software list: awesome-selfhosted (CC BY-SA 3.0).