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CVE Vulnerability Details :
CVE-2026-3979
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-12 Mar, 2026 | 03:32
Updated At-12 Mar, 2026 | 16:16
Rejected At-
▼CVE Numbering Authority (CNA)
quickjs-ng quickjs quickjs.c js_iterator_concat_return use after free

A flaw has been found in quickjs-ng quickjs up to 0.12.1. This affects the function js_iterator_concat_return of the file quickjs.c. This manipulation causes use after free. The attack requires local access. The exploit has been published and may be used. Patch name: daab4ad4bae4ef071ed0294618d6244e92def4cd. Applying a patch is the recommended action to fix this issue.

Affected Products
Vendor
quickjs-ng
Product
quickjs
Versions
Affected
  • 0.12.0
  • 0.12.1
Problem Types
TypeCWE IDDescription
CWECWE-416Use After Free
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-416
Description: Use After Free
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.04.8MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.15.3MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3.05.3MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2.04.3N/A
AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Version: 3.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Version: 2.0
Base score: 4.3
Base severity: N/A
Vector:
AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
im-razvan (VulDB User)
Timeline
EventDate
Advisory disclosed2026-03-11 00:00:00
VulDB entry created2026-03-11 01:00:00
VulDB entry last update2026-03-11 15:31:30
Event: Advisory disclosed
Date: 2026-03-11 00:00:00
Event: VulDB entry created
Date: 2026-03-11 01:00:00
Event: VulDB entry last update
Date: 2026-03-11 15:31:30
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.350414
vdb-entry
technical-description
https://vuldb.com/?ctiid.350414
signature
permissions-required
https://vuldb.com/?submit.769600
third-party-advisory
https://github.com/quickjs-ng/quickjs/issues/1368
issue-tracking
https://github.com/quickjs-ng/quickjs/pull/1370
issue-tracking
patch
https://github.com/quickjs-ng/quickjs/issues/1368#issue-4004680962
exploit
issue-tracking
https://github.com/quickjs-ng/quickjs/commit/daab4ad4bae4ef071ed0294618d6244e92def4cd
patch
https://github.com/quickjs-ng/quickjs/
product
Hyperlink: https://vuldb.com/?id.350414
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.350414
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.769600
Resource:
third-party-advisory
Hyperlink: https://github.com/quickjs-ng/quickjs/issues/1368
Resource:
issue-tracking
Hyperlink: https://github.com/quickjs-ng/quickjs/pull/1370
Resource:
issue-tracking
patch
Hyperlink: https://github.com/quickjs-ng/quickjs/issues/1368#issue-4004680962
Resource:
exploit
issue-tracking
Hyperlink: https://github.com/quickjs-ng/quickjs/commit/daab4ad4bae4ef071ed0294618d6244e92def4cd
Resource:
patch
Hyperlink: https://github.com/quickjs-ng/quickjs/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found