What’s Vulnerable › Vulnerabilities

CVE-2021-41682

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-06-20 · updated 2026-06-17
• Weakness: CWE-416

Description

There is a heap-use-after-free at ecma-helpers-string.c:1940 in ecma_compare_ecma_non_direct_strings in JerryScript 2.4.0

Affected products

• JerryScript: 2.4.0

References

• https://github.com/jerryscript-project/jerryscript/issues/4747
• https://github.com/jerryscript-project/jerryscript/issues/4747

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