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CROSS-signature CROSS-implementation

CVE-2026-41509 Medium 6.9 Integer underflow in crypto_sign_open() leads to buffer overflow 0.3%

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Contains data from the CISA Known Exploited Vulnerabilities Catalog. Use does not imply endorsement by CISA or DHS.

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EPSS scores by FIRST.org and Empirical Security (https://www.first.org/epss). This product uses EPSS scores but is not endorsed or certified by the EPSS SIG.

Exploit-availability signals from CVSS-BT by Stephen Shaffer (MIT license), which aggregates Metasploit (BSD), Nuclei templates (MIT), PoC-in-GitHub (CC0) and NVD (public domain).

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