Is Heap Overflow affected by CVE-2026-1145?

Organizations using quickjs-ng quickjs should be aware of moderate risk from CVE-2026-1145, a buffer overflow vulnerability rated CVSS 6.3. Exploitation could cause memory corruption or application crashes. Proof-of-concept code is publicly available.

CVE-2026-1145

MEDIUM

2026-01-19 [email protected]

6.3

CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 23, 2026 - 09:16 vuln.today

Public exploit code

Patch Released

Feb 23, 2026 - 09:16 nvd

Patch available

CVE Published

Jan 19, 2026 - 09:16 nvd

MEDIUM 6.3

Description

A flaw has been found in quickjs-ng quickjs up to 0.11.0. Affected by this vulnerability is the function js_typed_array_constructor_ta of the file quickjs.c. This manipulation causes heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: 53aebe66170d545bb6265906fe4324e4477de8b4. It is suggested to install a patch to address this issue.

Analysis

Heap-based buffer overflow in QuickJS up to version 0.11.0 within the js_typed_array_constructor_ta function allows remote attackers to corrupt memory and potentially achieve code execution with user interaction. Public exploit code exists for this vulnerability, increasing practical attack risk. …

Remediation

Within 30 days: Identify affected systems running quickjs-ng quickjs and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +32

POC: +20

Vendor Status

CVE-2026-1145 vulnerability details – vuln.today

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CVE-2026-1145

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CVE-2026-1145

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Remediation

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Vendor Status

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External POC / Exploit Code