CVE-2026-0821

HIGH7.3

quickjs-ng quickjs quickjs.c js_typed_array_constructor heap-based overflow

Published Jan 10, 2026

Modified 2 days ago

No fix available

Details

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.

References

FIXhttps://github.com/quickjs-ng/quickjs/commit/c5d80831e51e48a83eab16ea867be87f091783c5 WEBhttps://github.com/quickjs-ng/quickjs/issues/1296 DETECTIONhttps://github.com/quickjs-ng/quickjs/issues/1296#issue-3780003395 WEBhttps://github.com/quickjs-ng/quickjs/pull/1299 WEBhttps://vuldb.com/?ctiid.340355 WEBhttps://vuldb.com/?id.340355 ADVISORYhttps://vuldb.com/?submit.731780 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2026-0821

CVSS Analysis

CVSS v3.0

7.3

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

LowC:L

Integrity

LowI:L

Availability

LowA:L

7.3/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Weakness Type (CWE)

Memory Safety

CWE-119

Buffer Overflow

Other

CWE-122

Ecosystems

Timeline

PublishedJan 10, 2026

ModifiedJan 12, 2026