CVE-2017-9250

Public Exploit

Description

The lexer_process_char_literal function in jerry-core/parser/js/js-lexer.c in JerryScript 1.0 does not skip memory allocation for empty strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via malformed JavaScript source code, related to the jmem_heap_free_block function.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.38% Top 20%
Third-Party Advisory securitytracker.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/zherczeg/jerryscript/commit/03a8c630f015f63268639d3ed3bf82cff6fa77d8 third party advisory
https://github.com/jerryscript-project/jerryscript/issues/1821 third party advisory exploit
https://github.com/jerryscript-project/jerryscript/commit/e58f2880df608652aff7fd35c45b242467ec0e79 third party advisory patch
http://www.securitytracker.com/id/1038413 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-9250?
CVE-2017-9250 has been scored as a high severity vulnerability.
How to fix CVE-2017-9250?
To fix CVE-2017-9250, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-9250 being actively exploited in the wild?
It is possible that CVE-2017-9250 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.