How severe is CVE-2024-33258?

CVE-2024-33258 has a CVSS 3.x base score of 7.1, 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 none.

Is CVE-2024-33258 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-33258?

CVE-2024-33258 affects Jerryscript. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-33258?

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.

Does CVE-2024-33258 have an EU (EUVD) identifier?

Yes. CVE-2024-33258 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31003.

When was CVE-2024-33258 published?

CVE-2024-33258 was published on 2024-04-26 and last updated on 2026-06-17.

CVE-2024-33258

CVE-2024-33258 is a high-severity vulnerability in Jerryscript with a CVSS 3.x base score of 7.1. 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-31003
Weakness: CWE-119
Affected product: Jerryscript
Published: 2024-04-26
Last modified: 2026-06-17

Description

Jerryscript commit ff9ff8f was discovered to contain a segmentation violation via the component vm_loop at jerry-core/vm/vm.c.

Frequently asked questions

What is CVE-2024-33258?: Jerryscript commit ff9ff8f was discovered to contain a segmentation violation via the component vm_loop at jerry-core/vm/vm.c.
How severe is CVE-2024-33258?: CVE-2024-33258 has a CVSS 3.x base score of 7.1, 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 none.
Is CVE-2024-33258 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-33258?: CVE-2024-33258 affects Jerryscript. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-33258?: 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.
Does CVE-2024-33258 have an EU (EUVD) identifier?: Yes. CVE-2024-33258 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31003.
When was CVE-2024-33258 published?: CVE-2024-33258 was published on 2024-04-26 and last updated on 2026-06-17.

References

https://github.com/jerryscript-project/jerryscript/issues/5114

Affected products (1)

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

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