How severe is CVE-2017-9470?

CVE-2017-9470 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-9470 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9470?

CVE-2017-9470 affects Ytnef Project Ytnef. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-9470?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-9470 published?

CVE-2017-9470 was published on 2017-06-07 and last updated on 2026-06-17.

CVE-2017-9470

CVE-2017-9470 is a medium-severity vulnerability in Ytnef Project Ytnef with a CVSS 3.x base score of 5.5. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Ytnef Project Ytnef
Published: 2017-06-07
Last modified: 2026-06-17

Description

In ytnef 1.9.2, the MAPIPrint function in lib/ytnef.c allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.

Frequently asked questions

What is CVE-2017-9470?: In ytnef 1.9.2, the MAPIPrint function in lib/ytnef.c allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.
How severe is CVE-2017-9470?: CVE-2017-9470 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-9470 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9470?: CVE-2017-9470 affects Ytnef Project Ytnef. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9470?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-9470 published?: CVE-2017-9470 was published on 2017-06-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ytnef_project:ytnef:1.9.2:*:*:*:*:*:*:*

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