Node.js 22.x/24.x/26.x node:zlib byteLength denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k7.12

Summaryinfo

A vulnerability, which was classified as problematic, was found in Node.js 22.x/24.x/26.x. The impacted element is an unknown function of the component node:zlib. Executing a manipulation of the argument byteLength can lead to denial of service. The identification of this vulnerability is CVE-2026-58045. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Node.js 22.x/24.x/26.x and classified as problematic. This vulnerability affects some unknown functionality of the component node:zlib. The manipulation of the argument byteLength with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

This vulnerability was named CVE-2026-58045. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-52562). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/04/2026 Advisory disclosed
08/04/2026 +0 days VulDB entry created
08/04/2026 +0 days VulDB entry last update

Sourcesinfo

Status: Not defined

CVE: CVE-2026-58045 (🔒)
GCVE (CVE): GCVE-0-2026-58045
GCVE (VulDB): GCVE-100-385744
EUVD: 🔒

Entryinfo

Created: 08/04/2026 04:43
Updated: 08/04/2026 06:53
Changes: 08/04/2026 04:43 (49), 08/04/2026 06:53 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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