NULL pointer dereference in Tc39 Ecma262

CVE-2024-43357

ECMA-262 is the language specification for the scripting language ECMAScript. A problem in the ECMAScript (JavaScript) specification of async generators, introduced by a May 2021 spec refactor, may lead to mis-implementation in a way that…

EPSS: 0.006 (44.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-43357?
CVE-2024-43357 is a high-severity vulnerability in Tc39 Ecma262, classified under CWE-248. CVSS score: 8.6/10. Published 2024-08-15.
How severe is CVE-2024-43357?
High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2024-43357 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.