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CVE-2026-41509

Integer underflow in crypto_sign_open() leads to buffer overflow PUBLISHED

Description (CNA)

CROSS implementation contains reference and optimized implementations of the CROSS post-quantum signature algorithm. Prior to commit fc6b7e7, there is a buffer overflow in crypto_sign_open() caused by an underflow of the integer mlen. This issue has been patched via commit fc6b7e7.

Affected (CNA)

Vendor / productVersions
CROSS-signature / CROSS-implementationaffected < fc6b7e78cdf789bb5c395a81dc601356f1383da0

CWE

CWE-121, CWE-122

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.