What’s Vulnerable › Vulnerabilities

CVE-2017-14749

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-09-26 · updated 2026-06-17
• Weakness: CWE-119

Description

JerryScript 1.0 allows remote attackers to cause a denial of service (jmem_heap_alloc_block_internal heap memory corruption) or possibly execute arbitrary code via a crafted .js file, because unrecognized \ characters cause incorrect 0x00 characters in bytecode.literal data.

Affected products

• JerryScript: 1.0

References

• https://github.com/jerryscript-project/jerryscript/issues/2008
• https://github.com/jerryscript-project/jerryscript/issues/2008

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