How severe is CVE-2017-12141?

CVE-2017-12141 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-2017-12141 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12141?

CVE-2017-12141 affects Ytnef Project Ytnef. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12141?

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

When was CVE-2017-12141 published?

CVE-2017-12141 was published on 2017-08-02 and last updated on 2026-06-17.

CVE-2017-12141

CVE-2017-12141 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-119.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Ytnef Project Ytnef
Published: 2017-08-02
Last modified: 2026-06-17

Description

In ytnef 1.9.2, a heap-based buffer overflow vulnerability was found in the function TNEFFillMapi in ytnef.c, which allows attackers to cause a denial of service via a crafted file.

Frequently asked questions

What is CVE-2017-12141?: In ytnef 1.9.2, a heap-based buffer overflow vulnerability was found in the function TNEFFillMapi in ytnef.c, which allows attackers to cause a denial of service via a crafted file.
How severe is CVE-2017-12141?: CVE-2017-12141 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-2017-12141 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12141?: CVE-2017-12141 affects Ytnef Project Ytnef. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12141?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-12141 published?: CVE-2017-12141 was published on 2017-08-02 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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CVE-2017-9146 — High (CVSS 8.8): The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value…
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