What’s Vulnerable › Vulnerabilities

CVE-2023-48183

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-04-23 · updated 2026-06-17
• Weakness: CWE-476

Description

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

Affected products

• QuickJS: before 2023-12-09 — fixed in 2023-12-09

How to fix

Upgrade to a fixed version: QuickJS 2023-12-09. Check the vendor advisory for mitigations.

References

• https://github.com/bellard/quickjs/commit/c4cdd61a3ed284cd760faf6b00bbf0cb908da077
• https://github.com/bellard/quickjs/issues/192
• https://github.com/bellard/quickjs/commit/c4cdd61a3ed284cd760faf6b00bbf0cb908da077
• https://github.com/bellard/quickjs/issues/192

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