CVE-2017-9465

Name: CVE-2017-9465
Creator: NVD / NIST
Published: 2017-06-06T21:29:00.453+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.21%

Last modified Jun 17, 2026

CVE-2017-9465 is a vulnerability of currently unknown severity. The yr_arena_write_data function in YARA 3.6.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) or obtain sensitive information from process memory via a crafted file that is mishandled in the yr_re_fast_exec function in libyara/re.c and the _yr_scan_match_callback function in libyara/scan.c.. EPSS estimates a 1.21% chance of exploitation in the next 30 days.

Description

The yr_arena_write_data function in YARA 3.6.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) or obtain sensitive information from process memory via a crafted file that is mishandled in the yr_re_fast_exec function in libyara/re.c and the _yr_scan_match_callback function in libyara/scan.c.

Metrics

EPSS Probability

1.21%

64.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Virustotal	Yara	3.6.1

References

https://github.com/VirusTotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661Patch, Third Party Advisory
https://github.com/VirusTotal/yara/issues/678Exploit, Third Party Advisory
https://github.com/VirusTotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661Patch, Third Party Advisory
https://github.com/VirusTotal/yara/issues/678Exploit, Third Party Advisory

Timeline

Published: Jun 6, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-9465?

How severe is CVE-2017-9465?

Severity scoring for CVE-2017-9465 is pending analysis. The EPSS model estimates a 1.21% probability of exploitation in the next 30 days.

How do I fix CVE-2017-9465?

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-2017-9465?

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

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Source: NVD / NIST