Google Chrome up to 148.0.7778.168 WebRTC heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Chrome. Affected by this vulnerability is an unknown functionality of the component WebRTC. The manipulation leads to heap-based overflow. This vulnerability is referenced as CVE-2026-9119. Remote exploitation of the attack is possible. No exploit is 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 WebRTC. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Heap buffer overflow in WebRTC in Google Chrome on prior to 148.0.7778.179 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

The advisory is shared at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2026-9119 since 05/20/2026. 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. 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 05/26/2026).

The vulnerability scanner Nessus provides a plugin with the ID 316015 (Linux Distros Unpatched Vulnerability : CVE-2026-9119), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 148.0.7778.179 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (316015) and CERT Bund (WID-SEC-2026-1623). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Debian Linux
  • Fedora Linux
  • Google Chrome
  • Microsoft Edge
  • SUSE openSUSE

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

ADP CISA Base Score: 8.8
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 316015
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-9119

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 148.0.7778.179

Timelineinfo

05/20/2026 Advisory disclosed
05/20/2026 +0 days CVE reserved
05/20/2026 +0 days VulDB entry created
05/26/2026 +6 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: chromereleases.googleblog.com
Status: Confirmed

CVE: CVE-2026-9119 (🔒)
GCVE (CVE): GCVE-0-2026-9119
GCVE (VulDB): GCVE-100-364925
CERT Bund: WID-SEC-2026-1623 - Google Chrome und Microsoft Edge: Mehrere Schwachstellen

Entryinfo

Created: 05/20/2026 22:08
Updated: 05/26/2026 20:04
Changes: 05/20/2026 22:08 (57), 05/22/2026 03:25 (7), 05/22/2026 04:43 (2), 05/24/2026 00:26 (11), 05/26/2026 20:04 (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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