CVE-2026-0821

MEDIUM EPSS 35.4%
Published Jan 10, 20265mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 4.0
Medium
Find Similar
Published Jan 10, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability was determined in quickjs-ng quickjs up to 0.11.0. This vulnerability affects the function js_typed_array_constructor of the file quickjs.c. Executing a manipulation can lead to heap-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. This patch is called c5d80831e51e48a83eab16ea867be87f091783c5. A patch should be applied to remediate this issue.

CVSS Details

Base Score
5.5
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
35.4% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-122

Affected Products 1

VendorProductVersionRange
quickjs-ngquickjs* ≤0.11.0

References 8

  • github.com https://github.com/quickjs-ng/quickjs/
  • github.com https://github.com/quickjs-ng/quickjs/commit/c5d80831e51e48a83eab16ea867be87f091783c5
    Patch
  • github.com https://github.com/quickjs-ng/quickjs/issues/1296
    ExploitIssue TrackingVendor Advisory
  • github.com https://github.com/quickjs-ng/quickjs/issues/1296#issue-3780003395
    ExploitIssue TrackingVendor Advisory
  • github.com https://github.com/quickjs-ng/quickjs/pull/1299
    Issue Tracking
  • vuldb.com https://vuldb.com/?ctiid.340355
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.340355
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.731780
    Third Party AdvisoryVDB Entry

Remediation

  • github.com https://github.com/quickjs-ng/quickjs/commit/c5d80831e51e48a83eab16ea867be87f091783c5
    Patch