CVE-2022-36937

9.8 criticalEPSS 0.5%

Critical (9.8) in facebook hhvm. EPSS 0.5% chance of exploitation in the next 30 days.

HHVM 4.172.0 and all prior versions use TLS 1.0 for secure connections when handling tls:// URLs in the stream extension. TLS1.0 has numerous published vulnerabilities and is deprecated. HHVM 4.153.4, 4.168.2, 4.169.2, 4.170.2, 4.171.1, 4.172.1, 4.173.0 replaces TLS1.0 with TLS1.3. Applications that call stream_socket_server or stream_socket_client functions with a URL starting with tls:// are affected.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
CWE: CWE-327
Published: 2023-05-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

facebook:hhvm

References

https://github.com/facebook/hhvm/commit/083f5ffdee661f61512909d16f9a5b98cff3cf0b
https://hhvm.com/blog/2023/01/20/security-update.html
https://github.com/facebook/hhvm/commit/083f5ffdee661f61512909d16f9a5b98cff3cf0b
https://hhvm.com/blog/2023/01/20/security-update.html

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