CVE-2026-118372
Low · 3.7CVSS
3.7
EPSS
0.1%
Published
Oct 28, 2026
CISA due date
—
The record
LibreSSL ocspcheck through 4.4.0 contains a CRLF injection vulnerability that allows attackers to inject HTTP headers by embedding CR/LF sequences in a certificate's AIA OCSP URI path. Because url2host() copies the path without rejecting control characters and http_open() places it in the POST request line, attackers can inject headers or split OCSP requests sent to the responder host.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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