WebAssembly 1.0.29 CWriter::MangleType denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in WebAssembly 1.0.29. This affects the function CWriter::MangleType. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2023-27116. No exploit exists.

Detailsinfo

A vulnerability was found in WebAssembly 1.0.29 and classified as problematic. Affected by this issue is the function CWriter::MangleType. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

WebAssembly v1.0.29 discovered to contain an abort in CWriter::MangleType.

The weakness was disclosed 03/10/2023 as 1984. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-27116 since 02/27/2023. There are known technical details, but no exploit is available.

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-2023-30900). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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

02/27/2023 🔍
03/10/2023 +11 days 🔍
03/10/2023 +0 days 🔍
11/15/2025 +981 days 🔍

Sourcesinfo

Advisory: 1984
Status: Confirmed

CVE: CVE-2023-27116 (🔍)
GCVE (CVE): GCVE-0-2023-27116
GCVE (VulDB): GCVE-100-222692
EUVD: 🔍

Entryinfo

Created: 03/10/2023 07:54
Updated: 11/15/2025 18:03
Changes: 03/10/2023 07:54 (38), 04/02/2023 12:27 (11), 11/15/2025 18:03 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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