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Fencer Intel
critical 9.8

CVE-2017-9433 json

Document Liberation Project libmwaw before 2017-04-08 has an out-of-bounds write caused by a heap-based buffer overflow related to the MsWr…

published 2017-06-05 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-18368

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

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.

Patch / fix

  • libmwaw Debian 14, Debian 13, Debian 12 0.3.9-2

debian advisories DEBIAN-CVE-2017-9433

  • libmwaw Ubuntu 14.04 LTS 0.1.11-1ubuntu1.1
  • libmwaw Ubuntu 16.04 LTS 0.3.7-1ubuntu2.1

ubuntu advisories UBUNTU-CVE-2017-9433

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • boost SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +2 more 1.54.0-26.3.1
  • libqxp SLED 12 SP3, SLE Workstation Extension 12 SP3, SLE Software Development Kit 12 SP3 0.0.1-1.3.1
  • libwps SLED 12 SP3, SLE Workstation Extension 12 SP3, SLE Software Development Kit 12 SP3 0.4.7-10.7.1
  • libmwaw SLED 12 SP3, SLE Workstation Extension 12 SP3, SLE Software Development Kit 12 SP3 0.3.13-7.9.1
  • libixion SLED 12 SP3, SLE Workstation Extension 12 SP3, SLE Software Development Kit 12 SP3 0.13.0-13.6.1
  • liborcus SLED 12 SP3, SLE Workstation Extension 12 SP3, SLE Software Development Kit 12 SP3 0.13.4-10.9.1
  • libepubgen SLED 12 SP3, SLE Workstation Extension 12 SP3, SLE Software Development Kit 12 SP3 0.1.0-6.6.1
  • libreoffice SLED 12 SP3, SLE Workstation Extension 12 SP3, SLE Software Development Kit 12 SP3 6.0.3.2-43.30.2

suse advisories SUSE-SU-2018:1076-1SUSE-SU-2017:2315-1SUSE-SU-2017:1821-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-9433 updated cvss 8.3

libmwaw: Out-of-bounds write in the MsWrd1Parser::readFootnoteCorrespondence function

  • Red Hat Enterprise Linux 7 libmwaw, libmwaw-tools
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.28% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.