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9.8

CVE-2017-7882: LibreOffice can be tricked to corrupt data with special HWP files

CVE-2017-7882 · published 9 years ago
Summary

Older versions of LibreOffice (before March 2017) can write outside the intended memory area when opening certain HWP document files. This could cause the program to crash or behave unpredictably. Updating LibreOffice to a newer version fixes the issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
libreoffice libreoffice <= 5.2.6
cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*
Original advisory text
LibreOffice before 2017-03-14 has an out-of-bounds write related to the HWPFile::TagsRead function in hwpfilter/source/hwpfile.cxx.
LibreOffice before 2017-03-14 has an out-of-bounds write related to the HWPFile::TagsRead function in hwpfilter/source/hwpfile.cxx.
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.8 Critical
Exploitation
2% chance of attack within 30 days
Type
CWE-787Out-of-bounds Write
Timeline
Published15 Apr 2017
Updated29 Oct 2026
First seen29 Sep 2026
Sources
CVE-2017-7882 · NVD
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