MEDIUMCVSS v3.1 5.9Vulnerability

CVE-2026-118374

LibreSSL ocspcheck through 4.4.0 contains a memory exhaustion vulnerability that allows malicious OCSP responders to exhaust memory by sending unbounded HTTP responses. Attackers controlling the responder or intercepting plain HTTP AIA OCSP traffic can stream endless headers or body data to http_head_read() and http_body_read(), denying certificate status checks.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-28T03:35:08.633330+00:00
Cvss score
5.9
Cvss severity
MEDIUM
Retrieved at
2026-10-28T03:36:16+00:00
Score
5.9
Last source
NVD
Cvss version
3.1
Cve id
CVE-2026-118374
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
First seen by Signal
2026-10-28T03:36:16+00:00
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Published at
2026-10-28T03:17:13.923
Last modified
2026-10-28T03:17:13.923

Related Entities (1)

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CVE-2026-118374 (CVSS v3.1 5.9) — Ninja Signal Threat Intelligence | Ninja Signal