Is CVE-2017-9433 in the CISA KEV catalog?

No. CVE-2017-9433 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-9433?

CVE-2017-9433 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-9433?

CVE-2017-9433 has an EPSS score of 2.28% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-9433?

Upgrade libmwaw on debian 11 to 0.3.9-2 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2017-9433

CRITICALEPSS 81th pctl

9.8

CVSS v3

NVD

Description

Document Liberation Project libmwaw before 2017-04-08 has an out-of-bounds write caused by a heap-based buffer overflow related to the MsWrd1Parser::readFootnoteCorrespondance function in lib/MsWrd1Parser.cxx.

CWE-119Buffer Overflow

How to fix

Remediation Available

libmwawDebian

Fixed in:0.3.9-2CVE-2017-9433

libmwawUbuntu

Fixed in:0.1.11-1ubuntu1.1USN-3319-1

Fixed in:0.3.7-1ubuntu2.1USN-3319-1

libmwaw-0.1-1Ubuntu

Fixed in:0.1.11-1ubuntu1.1USN-3319-1

libmwaw-0.3-3Ubuntu

Fixed in:0.3.7-1ubuntu2.1USN-3319-1

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.28%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch1

sourceforge.net

Third-Party Advisory1

bugs.chromium.org

Other references1

debian.org

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.