CVE-2026-21895

MEDIUM
2026-01-08 [email protected] GHSA-9c48-w39g-hm26
5.3
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:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch Released
Mar 12, 2026 - 19:27 nvd
Patch available
CVE Published
Jan 08, 2026 - 14:15 nvd
MEDIUM 5.3

Tags

Industrial Rsa Redhat Suse

Description

The `rsa` crate is an RSA implementation written in rust. Prior to version 0.9.10, when creating a RSA private key from its components, the construction panics instead of returning an error when one of the primes is `1`. Version 0.9.10 fixes the issue.

Analysis

The RSA crate versions prior to 0.9.10 crash when constructing private keys with invalid prime components (such as 1), allowing an attacker to trigger a denial of service by providing malformed key material. This affects applications using the vulnerable RSA library for cryptographic operations. …

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Remediation

Within 30 days: Identify affected systems running rust. and apply vendor patches as part of regular patch cycle. …

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Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0

Vendor Status

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CVE-2026-21895 vulnerability details – vuln.today
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