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Fencer Vulns
critical 9.8

CVE-2017-7870 json

LibreOffice before 2017-01-02 has an out-of-bounds write caused by a heap-based buffer overflow related to the tools::Polygon::Insert funct…

published 2017-04-14 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16845

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.9%
EPSS 3.9% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

LibreOffice before 2017-01-02 has an out-of-bounds write caused by a heap-based buffer overflow related to the tools::Polygon::Insert function in tools/source/generic/poly.cxx.

Patch / fix

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

debian advisories DEBIAN-CVE-2017-7870

  • libreoffice Ubuntu 14.04 LTS 1:4.2.8-0ubuntu5.1
  • libreoffice Ubuntu 16.04 LTS 1:5.1.6~rc2-0ubuntu1~xenial2

ubuntu advisories UBUNTU-CVE-2017-7870

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 RHEL 7 1:5.0.6.2-14.el7
  • autocorr-af RHEL 7 1:5.0.6.2-14.el7
  • autocorr-bg RHEL 7 1:5.0.6.2-14.el7
  • autocorr-ca RHEL 7 1:5.0.6.2-14.el7
  • autocorr-cs RHEL 7 1:5.0.6.2-14.el7
  • autocorr-da RHEL 7 1:5.0.6.2-14.el7
  • autocorr-de RHEL 7 1:5.0.6.2-14.el7
  • autocorr-en RHEL 7 1:5.0.6.2-14.el7

red hat advisories RHSA-2017:1975

  • 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-2017-7870

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-2017-7870 updated cvss 5.3

libreoffice: Heap-buffer-overflow in tools::Polygon::Insert

  • Red Hat Enterprise Linux 6 autocorr-af, autocorr-bg, autocorr-ca, autocorr-cs, autocorr-da, autocorr-de, +60 more
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) autocorr-af 5.0.6.2-14.el7, autocorr-bg 5.0.6.2-14.el7, autocorr-ca 5.0.6.2-14.el7, autocorr-cs 5.0.6.2-14.el7, autocorr-da 5.0.6.2-14.el7, autocorr-de 5.0.6.2-14.el7, +44 more Red Hat Enterprise Linux Client Optional (v. 7) libreoffice 5.0.6.2-14.el7, libreofficekit 5.0.6.2-14.el7, libreoffice-bsh 5.0.6.2-14.el7, libreoffice-sdk 5.0.6.2-14.el7, libreoffice-glade 5.0.6.2-14.el7, libreoffice-rhino 5.0.6.2-14.el7, +7 more Red Hat Enterprise Linux Server Optional (v. 7) autocorr-af 5.0.6.2-14.el7, autocorr-bg 5.0.6.2-14.el7, autocorr-ca 5.0.6.2-14.el7, autocorr-cs 5.0.6.2-14.el7, autocorr-da 5.0.6.2-14.el7, autocorr-de 5.0.6.2-14.el7, +55 more Red Hat Enterprise Linux Workstation (v. 7) autocorr-af 5.0.6.2-14.el7, autocorr-bg 5.0.6.2-14.el7, autocorr-ca 5.0.6.2-14.el7, autocorr-cs 5.0.6.2-14.el7, autocorr-da 5.0.6.2-14.el7, autocorr-de 5.0.6.2-14.el7, +44 more Red Hat Enterprise Linux Workstation Optional (v. 7) libreoffice 5.0.6.2-14.el7, libreofficekit 5.0.6.2-14.el7, libreoffice-bsh 5.0.6.2-14.el7, libreoffice-sdk 5.0.6.2-14.el7, libreoffice-glade 5.0.6.2-14.el7, libreoffice-rhino 5.0.6.2-14.el7, +7 more
    fixed: vendor fix RHSA-2017:1975

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

3.86% chance of exploitation in the next 30 days, higher than 90% 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.