Google Chrome up to 126.0.6478.126 V8 heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Chrome. It has been classified as critical. The affected element is an unknown function of the component V8. This manipulation causes heap-based overflow. This vulnerability is tracked as CVE-2024-6773. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Google Chrome. It has been declared as critical. Affected by this vulnerability is an unknown code block of the component V8. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Inappropriate implementation in V8 in Google Chrome prior to 126.0.6478.182 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

The advisory is shared at chromereleases.googleblog.com. This vulnerability is known as CVE-2024-6773 since 07/16/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/25/2025).

The vulnerability scanner Nessus provides a plugin with the ID 276613 (Google Chrome < 126.0.6367.182 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 126.0.6478.182 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (276613). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Chrome): 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 276613
Nessus Name: Google Chrome < 126.0.6367.182 Multiple Vulnerabilities

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 126.0.6478.182

Timelineinfo

07/16/2024 🔍
07/16/2024 +0 days 🔍
07/17/2024 +0 days 🔍
11/25/2025 +496 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 347724
Status: Confirmed

CVE: CVE-2024-6773 (🔍)
GCVE (CVE): GCVE-0-2024-6773
GCVE (VulDB): GCVE-100-271717

Entryinfo

Created: 07/17/2024 00:43
Updated: 11/25/2025 08:33
Changes: 07/17/2024 00:43 (58), 07/18/2024 14:24 (1), 12/26/2024 17:16 (21), 03/18/2025 04:19 (3), 11/25/2025 08:33 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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