Google Chrome up to 139.0.7258.127 V8 out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Chrome. Impacted is an unknown function of the component V8. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2025-9132. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Chrome. This issue affects an unknown functionality of the component V8. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Out of bounds write in V8 in Google Chrome prior to 139.0.7258.138 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

It is possible to read the advisory at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2025-9132 since 08/19/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/21/2025).

The vulnerability scanner Nessus provides a plugin with the ID 253436 (Debian dsa-5981 : chromium - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 139.0.7258.138 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (253436). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: 253436
Nessus Name: Debian dsa-5981 : chromium - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 139.0.7258.138

Timelineinfo

08/19/2025 CVE reserved
08/20/2025 +1 days Advisory disclosed
08/20/2025 +0 days VulDB entry created
08/21/2025 +1 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 436181
Status: Confirmed

CVE: CVE-2025-9132 (🔒)
GCVE (CVE): GCVE-0-2025-9132
GCVE (VulDB): GCVE-100-320699

Entryinfo

Created: 08/20/2025 07:45
Updated: 08/21/2025 21:50
Changes: 08/20/2025 07:45 (58), 08/20/2025 12:37 (1), 08/21/2025 21:50 (2)
Complete: 🔍
Cache ID: 216::103

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

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