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Advisory details: ubuntu_osv / UBUNTU-CVE-2025-23166
Advisory ID ubuntu_osv/UBUNTU-CVE-2025-23166
Aliases CVE-2025-23166
Summary The C++ method SignTraits::DeriveBits() may incorrectly call ThrowException() based on user-supplied inputs when executing in a background thread, crashing the Node.js process. Such cryptographic operations are commonly applied to untrusted inputs. Thus, this mechanism potentially allows an adversary to remotely crash a Node.js runtime.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv3 7.5 https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-23166.json
ubuntu-priority medium https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-23166.json
Reference id Reference type URL
https://github.com/nodejs/node/commit/6c57465920cf1b981a63031e71b1e4a73bf9beaa
https://nodejs.org/en/blog/vulnerability/may-2025-security-releases#improper-error-handling-in-async-cryptographic-operations-crashes-process-cve-2025-23166---high
https://ubuntu.com/security/CVE-2025-23166
https://www.cve.org/CVERecord?id=CVE-2025-23166
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-23166.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-19T14:11:17Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2025/23xxx/CVE-2025-23166.json

Source Advisory: vulnrichment/CVE-2025-23166

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'yes'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]