LibreOffice and OpenOffice automatically open embedded content

published 2019-12-20 6 y ago modified 2026-06-16 4 mo ago also EUVD-2012-5523

cvss: 6.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 5.8%; EPSS 5.8% chance of exploitation in 30 days, percentile 93%
public exploits: 0; none known

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-2012-5639 updated 2026-11-07 cvss 4.3

OpenOffice: automatic opening of embedded external data

Red Hat Enterprise Linux 5 openoffice.org Red Hat Enterprise Linux 6 autocorr-af, autocorr-bg, autocorr-ca, autocorr-cs, autocorr-da, autocorr-de, +100 more
affected: no fix available

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

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-10-15)

Exploit prediction

5.84% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

LibreOffice; OpenOffice LibreOffice, OpenOffice

Classification

Weakness

CWE-668 Exposure of Resource to Wrong Sphere

References

access.redhat.com /security/cve/cve-2012-5639
vendor-advisory, third-party-advisory
security-tracker.debian.org /tracker/CVE-2012-5639
third-party-advisory
bugzilla.redhat.com /show_bug.cgi?id=CVE-2012-5639
issue-tracking, third-party-advisory
openwall.com /lists/oss-security/2012/12/14/1
mailing-list, third-party-advisory
lists.apache.org /thread.html/r253f92d0e6511d07a79774002e1d9db1d20b24bff27914a5adb14ccb%40%3Cissues.openoffice.apache.org%3E
mailing-list
openwall.com /lists/oss-security/2023/12/28/6
openwall.com /lists/oss-security/2024/01/03/6
openwall.com /lists/oss-security/2024/01/03/7

Sources

CVE List CVE-2012-5639
NVD CVE-2012-5639

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.

Summary