CVE-2026-22023

8.2 highEPSS 0.6%

High (8.2) in nasa cryptolib. EPSS 0.6% chance of exploitation in the next 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.

Severity

CVSS 4.0

8.2 high

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2026-01-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

nasa:cryptolib

References

https://github.com/nasa/CryptoLib/commit/2372efd3da1ccb226b4297222e25f41ecc84821d
https://github.com/nasa/CryptoLib/releases/tag/v1.4.3
https://github.com/nasa/CryptoLib/security/advisories/GHSA-8w3h-q8jm-3chq
https://github.com/nasa/CryptoLib/security/advisories/GHSA-8w3h-q8jm-3chq

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