How severe is CVE-2017-9465?

CVE-2017-9465 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2017-9465 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9465?

CVE-2017-9465 affects Virustotal Yara. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-9465?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-9465 published?

CVE-2017-9465 was published on 2017-06-06 and last updated on 2026-06-17.

CVE-2017-9465

CVE-2017-9465 is a high-severity vulnerability in Virustotal Yara with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Virustotal Yara
Published: 2017-06-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-9465?: 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.
How severe is CVE-2017-9465?: CVE-2017-9465 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2017-9465 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9465?: CVE-2017-9465 affects Virustotal Yara. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9465?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-9465 published?: CVE-2017-9465 was published on 2017-06-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:virustotal:yara:3.6.1:*:*:*:*:*:*:*

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