CVE-2017-9433

CVE-2017-9433 is a critical-severity vulnerability in Libmwaw Project Libmwaw with a CVSS 3.x base score of 9.8. 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

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.

Frequently asked questions

What is CVE-2017-9433?
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.
How severe is CVE-2017-9433?
CVE-2017-9433 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-9433 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9433?
CVE-2017-9433 affects Libmwaw Project Libmwaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9433?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-9433 published?
CVE-2017-9433 was published on 2017-06-05 and last updated on 2026-06-17.

References

Affected products (1)

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