WebAssembly 1.0.29 wabt::cat_compute_size memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in WebAssembly 1.0.29. It has been rated as critical. The impacted element is the function wabt::cat_compute_size. This manipulation causes memory corruption. This vulnerability is handled as CVE-2023-27115. There is not any exploit available.

Detailsinfo

A vulnerability has been found in WebAssembly 1.0.29 and classified as critical. Affected by this vulnerability is the function wabt::cat_compute_size. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

WebAssembly v1.0.29 was discovered to contain a segmentation fault via the component wabt::cat_compute_size.

The weakness was released 03/10/2023 as 1938. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-27115 since 02/27/2023. Technical details of the vulnerability are known, but there is no available exploit.

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-2023-30899). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 1938
Status: Confirmed

CVE: CVE-2023-27115 (🔍)
GCVE (CVE): GCVE-0-2023-27115
GCVE (VulDB): GCVE-100-222691
EUVD: 🔍

Entryinfo

Created: 03/10/2023 07:54
Updated: 11/15/2025 18:03
Changes: 03/10/2023 07:54 (38), 04/02/2023 12:20 (9), 11/15/2025 18:03 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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