CVE-2022-38493

7.5 HighFix available

Rhonabwy 0.9.99 through 1.1.x before 1.1.7 doesn't check the RSA private key length before RSA-OAEP decryption. This allows attackers to cause a Denial of Service via a crafted JWE (JSON Web Encryption) token.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.35%Down 0.5 points since Aug 21, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2022-38493
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-327
Updated: 2026-11-02

CVE List No score

Record: CVE-2022-38493
Updated: 2026-11-02

EUVDEUVD-2022-41076 No score

Record: EUVD-2022-41076
Updated: 2026-11-03

OSVUBUNTU-CVE-2022-38493 7.5

Record: UBUNTU-CVE-2022-38493
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSV No score

Record: CVE-2022-38493
Updated: 2026-11-02

OSVDEBIAN-CVE-2022-38493 No score

Record: DEBIAN-CVE-2022-38493
Updated: 2026-11-03

Affected products

rhonabwy project rhonabwy

Affected packages

Affected packages
Package	Affected	Fixed
`rhonabwy` Debian:12	before 1.1.7-1	1.1.7-1
`rhonabwy` Debian:13	before 1.1.7-1	1.1.7-1
`rhonabwy` Ubuntu:22.04:LTS	All versions, plus listed versions 0.9.13-41.1.2-1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-38493 is a high vulnerability (CVSS 7.5) in Rhonabwy Project Rhonabwy, published August 20, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. Fixed in rhonabwy 1.1.7-1.