How severe is CVE-2022-22895?

CVE-2022-22895 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-22895 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-22895?

CVE-2022-22895 affects Jerryscript. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-22895?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-22895 published?

CVE-2022-22895 was published on 2022-01-21 and last updated on 2026-06-17.

CVE-2022-22895

CVE-2022-22895 is a high-severity vulnerability in Jerryscript with a CVSS 3.x base score of 7.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Jerryscript
Published: 2022-01-21
Last modified: 2026-06-17

Description

Jerryscript 3.0.0 was discovered to contain a heap-buffer-overflow via ecma_utf8_string_to_number_by_radix in /jerry-core/ecma/base/ecma-helpers-conversion.c.

Frequently asked questions

What is CVE-2022-22895?: Jerryscript 3.0.0 was discovered to contain a heap-buffer-overflow via ecma_utf8_string_to_number_by_radix in /jerry-core/ecma/base/ecma-helpers-conversion.c.
How severe is CVE-2022-22895?: CVE-2022-22895 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-22895 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-22895?: CVE-2022-22895 affects Jerryscript. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-22895?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-22895 published?: CVE-2022-22895 was published on 2022-01-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jerryscript:jerryscript:3.0.0:*:*:*:*:*:*:*

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