CVE-2017-14749

Name: CVE-2017-14749
Creator: NVD / NIST
Published: 2017-09-26T18:29:00.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.99%

Last modified Jun 17, 2026

CVE-2017-14749 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.99% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.99%

78.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Jerryscript	Jerryscript	1.0

References

https://github.com/jerryscript-project/jerryscript/issues/2008Exploit, Third Party Advisory
https://github.com/jerryscript-project/jerryscript/issues/2008Exploit, Third Party Advisory

Timeline

Published: Sep 26, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-14749?

How severe is CVE-2017-14749?

Severity scoring for CVE-2017-14749 is pending analysis. The EPSS model estimates a 1.99% probability of exploitation in the next 30 days.

How do I fix CVE-2017-14749?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-14749?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST