CVE-2021-46351

CVE-2021-46351 is a medium-severity vulnerability in Jerryscript with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-617.

Key facts

Description

There is an Assertion 'local_tza == ecma_date_local_time_zone_adjustment (date_value)' failed at /jerry-core/ecma/builtin-objects/ecma-builtin-date-prototype.c(ecma_builtin_date_prototype_dispatch_set):421 in JerryScript 3.0.0.

Frequently asked questions

What is CVE-2021-46351?
There is an Assertion 'local_tza == ecma_date_local_time_zone_adjustment (date_value)' failed at /jerry-core/ecma/builtin-objects/ecma-builtin-date-prototype.c(ecma_builtin_date_prototype_dispatch_set):421 in JerryScript 3.0.0.
How severe is CVE-2021-46351?
CVE-2021-46351 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-46351 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46351?
CVE-2021-46351 affects Jerryscript. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-46351?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-46351 published?
CVE-2021-46351 was published on 2022-01-20 and last updated on 2026-06-17.

References

Affected products (1)

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