CVEvulnerability
CVE-2026-21898
8.2 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-01-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- Weaknesses
- CWE-125
Description
CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. Prior to version 1.4.3, the Crypto_AOS_ProcessSecurity function reads memory without valid bounds checking when parsing AOS frame hashes. This issue has been patched in version 1.4.3.
Affected configurations
• nasa cryptolib (< 1.4.3)
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://github.com/nasa/CryptoLib/releases/tag/v1.4.3 Release Notes
- https://github.com/nasa/CryptoLib/security/advisories/GHSA-7ch6-2pmg-m853 Exploit, Vendor Advisory
- https://github.com/nasa/CryptoLib/security/advisories/GHSA-7ch6-2pmg-m853 Exploit, Vendor Advisory