quickjs-ng quickjs up to 0.11.0 quickjs.c js_typed_array_sort heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.9 | $0-$5k | 0.10 |
Summary
A vulnerability, which was classified as critical, was found in quickjs-ng quickjs up to 0.11.0. Impacted is the function js_typed_array_sort of the file quickjs.c. The manipulation results in heap-based overflow.
This vulnerability is identified as CVE-2026-0822. The attack can be executed remotely. Additionally, an exploit exists.
It is advisable to implement a patch to correct this issue.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Details
A vulnerability, which was classified as critical, was found in quickjs-ng quickjs up to 0.11.0. Affected is the function js_typed_array_sort of the file quickjs.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as 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(). This is going to have an impact on confidentiality, integrity, and availability.
The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-0822. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known.
The exploit is shared for download at github.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 282568 (Linux Distros Unpatched Vulnerability : CVE-2026-0822), which helps to determine the existence of the flaw in a target environment.
Applying the patch 53eefbcd695165a3bd8c584813b472cb4a69fbf5 is able to eliminate this problem. The bugfix is ready for download at github.com.
The vulnerability is also documented in the databases at Tenable (282568) and EUVD (EUVD-2026-1846). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 7.1VulDB Meta Temp Score: 6.9
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔒
CNA Base Score: 6.3
CNA Vector: 🔒
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Nessus ID: 282568
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-0822
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Patch: 53eefbcd695165a3bd8c584813b472cb4a69fbf5
Timeline
01/09/2026 Advisory disclosed01/09/2026 VulDB entry created
01/23/2026 VulDB entry last update
Sources
Product: github.comAdvisory: 1297
Status: Confirmed
Confirmation: 🔒
CVE: CVE-2026-0822 (🔒)
GCVE (CVE): GCVE-0-2026-0822
GCVE (VulDB): GCVE-100-340356
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/09/2026 07:29 PMUpdated: 01/23/2026 03:03 PM
Changes: 01/09/2026 07:29 PM (60), 01/10/2026 03:58 PM (30), 01/10/2026 11:37 PM (1), 01/11/2026 11:58 PM (2), 01/23/2026 03:03 PM (11)
Complete: 🔍
Submitter: mcsky23
Cache ID: 18:C1D:40
Submit
Accepted
- Submit #731783: quickjs-ng quickjs v0.11.0 Heap-based Buffer Overflow (by mcsky23)
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