Search criteria
2 vulnerabilities found for cross-implementation by cross-crypto
CVE-2026-41509 (GCVE-0-2026-41509)
Vulnerability from nvd – Published: 2026-05-08 13:47 – Updated: 2026-05-08 14:15
VLAI
Title
Integer underflow in crypto_sign_open() leads to buffer overflow
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/CROSS-signature/CROSS-implemen… | x_refsource_CONFIRM |
| https://github.com/CROSS-signature/CROSS-implemen… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CROSS-signature | CROSS-implementation |
Affected:
< fc6b7e78cdf789bb5c395a81dc601356f1383da0
|
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"metrics": [
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CVE-2026-41509 (GCVE-0-2026-41509)
Vulnerability from cvelistv5 – Published: 2026-05-08 13:47 – Updated: 2026-05-08 14:15
VLAI
Title
Integer underflow in crypto_sign_open() leads to buffer overflow
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/CROSS-signature/CROSS-implemen… | x_refsource_CONFIRM |
| https://github.com/CROSS-signature/CROSS-implemen… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CROSS-signature | CROSS-implementation |
Affected:
< fc6b7e78cdf789bb5c395a81dc601356f1383da0
|
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],
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}
],
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"attackComplexity": "LOW",
"attackRequirements": "NONE",
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"baseScore": 6.9,
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"privilegesRequired": "NONE",
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