mquickjs File mquickjs.c get_mblock_size 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-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in mquickjs. This issue affects the function get_mblock_size of the file mquickjs.c of the component File Handler. Executing a manipulation can lead to denial of service. This vulnerability is registered as CVE-2025-70347. The attack needs to be launched locally. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic was found in mquickjs (the affected version unknown). This vulnerability affects the function get_mblock_size of the file mquickjs.c of the component File Handler. The manipulation 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. CVE summarizes:

An issue in mquickjs before commit 74b7e (2026-01-15) allows a local attacker to cause a denial of service via a crafted file to the get_mblock_size function at mquickjs.c.

The advisory is available at github.com. This vulnerability was named CVE-2025-70347 since 01/09/2026. The exploitation appears to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit.

Applying the patch 74b7e is able to eliminate this problem.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

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

ADP CISA Base Score: 5.5
ADP CISA Vector: 🔒

CVSSv2info

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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: No

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: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 74b7e

Timelineinfo

01/09/2026 CVE reserved
02/10/2026 +32 days Advisory disclosed
02/10/2026 +0 days VulDB entry created
02/19/2026 +9 days VulDB entry last update

Sourcesinfo

Advisory: 56
Status: Confirmed

CVE: CVE-2025-70347 (🔒)
GCVE (CVE): GCVE-0-2025-70347
GCVE (VulDB): GCVE-100-345250

Entryinfo

Created: 02/10/2026 18:49
Updated: 02/19/2026 03:40
Changes: 02/10/2026 18:49 (56), 02/11/2026 12:43 (11), 02/19/2026 03:40 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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