High 7.5Published Jan 10, 2026

CVE-2026-22023CryptoLib 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 Sys…

Updated under an hour ago (2026-10-19 09:10 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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, there is an out-of-bounds heap read vulnerability in cryptography_aead_encrypt(). This issue has been patched in version 1.4.3.

CVSS: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-125
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

nasa cryptolib nasa:cryptolib	before 1.4.3	NVD

References

https://github.com/nasa/CryptoLib/commit/2372efd3da1ccb226b4297222e25f41ecc84821dpatch
https://github.com/nasa/CryptoLib/releases/tag/v1.4.3release-notes
https://github.com/nasa/CryptoLib/security/advisories/GHSA-8w3h-q8jm-3chqexploit, vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.