Google Chrome up to 118.0.5993.117 Side Panel use after free

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.
7.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Chrome. It has been declared as critical. Affected is an unknown function of the component Side Panel. Such manipulation leads to use after free. This vulnerability is documented as CVE-2023-5856. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Chrome (Web Browser) and classified as critical. Affected by this issue is some unknown processing of the component Side Panel. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was released 11/01/2023 by Weipeng Jiang. The advisory is available at chromereleases.googleblog.com. This vulnerability is handled as CVE-2023-5856. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 04/30/2025). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 119.0.6045.105 eliminates this vulnerability.

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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: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 119.0.6045.105

Timelineinfo

10/30/2023 🔍
11/01/2023 +2 days 🔍
11/01/2023 +0 days 🔍
04/30/2025 +546 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: FEDORA-2023-14b8d5c44f
Researcher: Weipeng Jiang
Status: Confirmed

CVE: CVE-2023-5856 (🔍)
GCVE (CVE): GCVE-0-2023-5856
GCVE (VulDB): GCVE-100-244166

Entryinfo

Created: 11/01/2023 09:17
Updated: 04/30/2025 06:19
Changes: 11/01/2023 09:17 (40), 11/29/2023 09:13 (3), 11/29/2023 09:17 (11), 04/30/2025 06:19 (17)
Complete: 🔍
Cache ID: 216::103

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