How severe is CVE-2023-48183?

CVE-2023-48183 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-48183 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-2023-48183?

CVE-2023-48183 affects Quickjs Project Quickjs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-48183?

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-2023-48183 have an EU (EUVD) identifier?

Yes. CVE-2023-48183 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-52263.

When was CVE-2023-48183 published?

CVE-2023-48183 was published on 2024-04-23 and last updated on 2026-06-17.

CVE-2023-48183

CVE-2023-48183 is a high-severity vulnerability in Quickjs Project Quickjs with a CVSS 3.x base score of 7.5. 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-52263
Weakness: CWE-476
Affected product: Quickjs Project Quickjs
Published: 2024-04-23
Last modified: 2026-06-17

Description

QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.

Frequently asked questions

What is CVE-2023-48183?: QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.
How severe is CVE-2023-48183?: CVE-2023-48183 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-48183 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-2023-48183?: CVE-2023-48183 affects Quickjs Project Quickjs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-48183?: 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-2023-48183 have an EU (EUVD) identifier?: Yes. CVE-2023-48183 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-52263.
When was CVE-2023-48183 published?: CVE-2023-48183 was published on 2024-04-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:quickjs_project:quickjs:*:*:*:*:*:*:*:*

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