Is CVE-2017-12141 in the CISA KEV catalog?

No. CVE-2017-12141 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-12141?

CVE-2017-12141 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2017-12141?

CVE-2017-12141 has an EPSS score of 1.15% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-12141?

Upgrade libytnef on debian 11 to 1.9.3-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2017-12141

MEDIUM

5.5

CVSS v3

NVD

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.

CWE-119Buffer Overflow

How to fix

Remediation Available

libytnefDebian

Fixed in:1.9.3-1CVE-2017-12141

libytnefUbuntu

Fixed in:1.5-6ubuntu0.2USN-3667-1

libytnef0Ubuntu

Fixed in:1.5-6ubuntu0.2USN-3667-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

1.15%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

somevulnsofadlab.blogspot.com

Other references2

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.