ChakraCore cbb9b IsDebuggerScopeSlotArray stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
5.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in ChakraCore cbb9b and classified as critical. The impacted element is the function Js::ScopeSlots::IsDebuggerScopeSlotArray. The manipulation leads to stack-based overflow. This vulnerability is documented as CVE-2023-37139. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ChakraCore cbb9b. This issue affects the function Js::ScopeSlots::IsDebuggerScopeSlotArray. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

ChakraCore branch master cbb9b was discovered to contain a stack overflow vulnerability via the function Js::ScopeSlots::IsDebuggerScopeSlotArray().

The weakness was released 07/18/2023 as 6884. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-37139 since 06/28/2023. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/16/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-41059). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/28/2023 🔍
07/18/2023 +20 days 🔍
07/18/2023 +0 days 🔍
01/16/2026 +913 days 🔍

Sourcesinfo

Advisory: 6884
Status: Confirmed

CVE: CVE-2023-37139 (🔍)
GCVE (CVE): GCVE-0-2023-37139
GCVE (VulDB): GCVE-100-234461
EUVD: 🔍

Entryinfo

Created: 07/18/2023 23:25
Updated: 01/16/2026 03:38
Changes: 07/18/2023 23:25 (38), 08/09/2023 17:52 (11), 01/16/2026 03:38 (16)
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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