What is CVE-2017-7882?

CVE-2017-7882 is a critical-severity vulnerability in Libreoffice, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2017-04-15.

How severe is CVE-2017-7882?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Libreoffice

CVE-2017-7882

LibreOffice before 2017-03-14 has an out-of-bounds write related to the HWPFile::TagsRead function in hwpfilter/source/hwpfile.cxx.

Vulnerability class: Buffer Overflow

Published 2017-04-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Libreoffice

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

bugs.chromium.org/p/oss-fuzz/issues/detail (Patch, Issue Tracking)
github.com/LibreOffice/core/commit/65dcd1d8195069c8c8acb3a188b8e5616c51029c (Patch, Third Party Advisory, Issue Tracking)
www.securityfocus.com/bid/97684 (VDB Entry, Third Party Advisory, vdb-entry)
www.libreoffice.org/about-us/security/advisories/cve-2017-7882/

Frequently asked questions

What is CVE-2017-7882?: CVE-2017-7882 is a critical-severity vulnerability in Libreoffice, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2017-04-15.
How severe is CVE-2017-7882?: Critical severity. CVSS v3 base score is 9.8 out of 10.