wasmtime 19.0.0 extenref-typed Element Segment type confusion

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.0$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in wasmtime 19.0.0. This affects an unknown part of the component extenref-typed Element Segment Handler. Executing a manipulation can lead to type confusion. This vulnerability is handled as CVE-2024-30266. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in wasmtime 19.0.0 and classified as problematic. This vulnerability affects an unknown code block of the component extenref-typed Element Segment Handler. The manipulation with an unknown input leads to a type confusion vulnerability. The CWE definition for the vulnerability is CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. As an impact it is known to affect availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2024-30266 since 03/26/2024. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading to version 19.0.1 eliminates this vulnerability.

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

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 3.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Type confusion
CWE: CWE-843
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: wasmtime 19.0.1
Patch: github.com

Timelineinfo

03/26/2024 🔍
04/03/2024 +7 days 🔍
04/03/2024 +0 days 🔍
09/02/2025 +517 days 🔍

Sourcesinfo

Advisory: 7f57d0bb0948fa56cc950278d0db230ed10e8664
Status: Confirmed

CVE: CVE-2024-30266 (🔍)
GCVE (CVE): GCVE-0-2024-30266
GCVE (VulDB): GCVE-100-259096

Entryinfo

Created: 04/03/2024 06:34
Updated: 09/02/2025 16:51
Changes: 04/03/2024 06:34 (51), 05/09/2024 04:38 (3), 05/09/2024 04:49 (11), 09/02/2025 16:51 (13)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!