CVE-2026-21898

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Source

https://cve.org/CVERecord?id=CVE-2026-21898

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21898.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-21898

Aliases

GHSA-7ch6-2pmg-m853

Published

2026-01-10T00:10:29.925Z

Modified

2026-01-17T05:42:21.207555Z

Severity

8.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H CVSS Calculator

Summary

CryptoLib Has Out-of-bounds Read in Crypto_AOS_ProcessSecurity

Details

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 CryptoAOSProcessSecurity function reads memory without valid bounds checking when parsing AOS frame hashes. This issue has been patched in version 1.4.3.

Database specific

{
    "cwe_ids": [
        "CWE-125"
    ],
    "cna_assigner": "GitHub_M",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21898.json"
}

References

Affected packages

Git / github.com/nasa/cryptolib

Affected ranges

Type: GIT
Repo: https://github.com/nasa/cryptolib
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

9ffda0ff78e8f74c58db4c181923196870e04c3e

Affected versions

v0.*

v0.1-engineering-release

v1.*

v1.0.0

v1.0.1

v1.0.2

v1.0.3

v1.1.0

v1.1.1

v1.2.0

v1.2.1

v1.2.2

v1.2.3

v1.3.0

v1.3.1

v1.3.2

v1.3.3

v1.4.0

v1.4.1

v1.4.2

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21898.json"