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Fencer Vulns
critical 9.8

CVE-2016-10327 json

LibreOffice before 2016-12-22 has an out-of-bounds write caused by a heap-based buffer overflow related to the EnhWMFReader::ReadEnhWMF fun…

published 2017-04-14 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-1511

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.6%
EPSS 3.6% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

LibreOffice before 2016-12-22 has an out-of-bounds write caused by a heap-based buffer overflow related to the EnhWMFReader::ReadEnhWMF function in vcl/source/filter/wmf/enhwmf.cxx.

Patch / fix

  • libreoffice Debian 14, Debian 13, Debian 12 1:5.2.5-1

debian advisories DEBIAN-CVE-2016-10327

  • libreoffice Ubuntu 16.04 LTS 1:5.1.6~rc2-0ubuntu1~xenial2

ubuntu advisories UBUNTU-CVE-2016-10327

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

  • libreoffice SLED 12 SP3, SLE Workstation Extension 12 SP3, SLE Software Development Kit 12 SP3 5.3.5.2-43.5.4
  • libzmf SLED 12 SP3, SLE Workstation Extension 12 SP3 0.0.1-4.1
  • libmwaw SLED 12 SP3, SLE Workstation Extension 12 SP3, SLE Software Development Kit 12 SP3 0.3.11-7.5.1
  • libixion SLED 12 SP3, SLE Workstation Extension 12 SP3, SLE Software Development Kit 12 SP3 0.12.1-13.2.1
  • liborcus SLED 12 SP3, SLE Workstation Extension 12 SP3, SLE Software Development Kit 12 SP3 0.12.1-10.5.1
  • libstaroffice SLED 12 SP3, SLE Workstation Extension 12 SP3 0.0.3-4.1
  • myspell-dictionaries SLED 12 SP3, SLE Workstation Extension 12 SP3 20170511-16.2.1
  • libreoffice SLED 12 SP2, SLE Workstation Extension 12 SP2, SLE Software Development Kit 12 SP2 5.3.3.2-40.5.9

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

  • libreoffice openSUSE Tumbleweed 7.1.5.2-3.13

opensuse advisories openSUSE-SU-2024:10983-1

  • libreoffice Alpine 3.5 5.2.7.2-r0

alpine advisories ALPINE-CVE-2016-10327

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2016-10327 updated cvss 5.3

libreoffice: Heap-buffer-overflow in EnhWMFReader::ReadEnhWMF

  • Red Hat Enterprise Linux 6 autocorr-af, autocorr-bg, autocorr-ca, autocorr-cs, autocorr-da, autocorr-de, +60 more Red Hat Enterprise Linux 7 autocorr-af, autocorr-bg, autocorr-ca, autocorr-cs, autocorr-da, autocorr-de, +105 more
    not affected: vulnerable code not present

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

3.57% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

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

References

Sources

Fencer Vulns 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.