Read the docs
TI-2025-11681 Aliases CVE-2025-12745GHSA-rw7h-fw9j-wrgx

QuickJS quickjs.c js_array_buffer_slice buffer over-read

Priority MEDIUM 55CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A weakness has been identified in QuickJS up to eb2c89087def1829ed99630cb14b549d7a98408c. This affects the function js_array_buffer_slice of the file quickjs.c. This manipulation causes buffer over-read. The attack is restricted to local execution. The exploit has been made available to the public and could be exploited. This product adopts a rolling release strategy to maintain continuous delivery Patch name: c6fe5a98fd3ef3b7064e6e0145dfebfe12449fea. To fix this issue, it is recommended to deploy a patch.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00217 12th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—QuickJSeb2c890—No fix listedCNA
  • QuickJS Vendor— Affected eb2c890 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:bellard:quickjs:*:*:*:*:*:*:*:*before 2025-11-03VulnerableBellard
  • cpe:2.3:a:bellard:quickjs:*:*:*:*:*:*:*:* Versions before 2025-11-03 Vulnerable ·Bellard

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-12745
  2. 2026-10-03 Alias added: GHSA-rw7h-fw9j-wrgx

References

  • TI-2025-29365 Resource allocation without limits in QuickJS CVSS 3.1HIGH 7.8
  • TI-2024-21990 QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime(JSRuntime *) at quickjs.c. CVSS 3.1MEDIUM 4.0

Sources