CVE-2026-22023

HIGH
2026-01-10 [email protected]
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 16, 2026 - 16:45 vuln.today
Public exploit code
Patch Released
Jan 16, 2026 - 16:45 nvd
Patch available
CVE Published
Jan 10, 2026 - 01:16 nvd
HIGH 7.5

Tags

Buffer Overflow Information Disclosure Cryptolib

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

Analysis

CryptoLib versions prior to 1.4.3 contain an out-of-bounds heap read in the cryptography_aead_encrypt() function, affecting spacecraft communications secured via the SDLS-EP protocol. Public exploit code exists for this vulnerability, allowing remote attackers to trigger a denial of service condition without authentication. …

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Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. Vendor patch is available.

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Priority Score

58
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +38
POC: +20

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CVE-2026-22023 vulnerability details – vuln.today
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