libreoffice: Out-of-bounds write in the WW8Fonts::WW8Fonts functionality
Published Nov 20, 2017
7.8
HIGHCVSS 3.1
EPSS 1.80%
Description
A vulnerability in the OpenOffice Writer DOC file parser before 4.1.4, and specifically in the WW8Fonts Constructor, allows attackers to craft malicious documents that cause denial of service (memory corruption and application crash) potentially resulting in arbitrary code execution.
Affected products
-
- Version 4.0.0 to 4.1.3, and some previous releases, including some using our old OpenOffice.org brandStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache OpenOffice | n/a |
|
- < 4.1.4
No data.
Red Hat Enterprise Linux 6
libreoffice
Not affected
Red Hat Enterprise Linux 7
libreoffice
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | libreoffice | Not affected | n/a |
| Red Hat Enterprise Linux 7 | libreoffice | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.80% (0.01805) | 77.76th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.80% (0.01805) | 75.65th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.82% (0.01822) | 81.26th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.32% (0.03318) | 78.56th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.82% (0.01822) | 81.67th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00061) | 27.94th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.06% (0.00061) | 26.16th | v3 (v2023.03.01) |
| Jun 18, 2024 | 0.06% (0.00056) | 23.51th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00056) | 21.51th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01102) | 53.65th | v2 (v2022.01.01) |
| Mar 1, 2023 | 1.10% (0.01102) | 53.62th | v2 (v2022.01.01) |
| Aug 17, 2022 | 1.10% (0.01102) | 51.62th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.00% (0.01005) | 34.40th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.00% (0.01005) | 17.93th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.28% (0.03278) | 66.51th | v1 |
| Jan 6, 2022 | 3.28% (0.03278) | 66.20th | v1 |
| Sep 1, 2021 | 3.28% (0.03278) | 81.52th | v1 |
| Apr 14, 2021 | 3.28% (0.03278) | 0.00th | v1 |
References (9)
- http://www.openoffice.org/security/cves/CVE-2017-9806.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/101585 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-9806 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1507803 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2017-9806
- https://www.cve.org/CVERecord?id=CVE-2017-9806
- https://www.libreoffice.org/about-us/security/advisories/CVE-2017-9806
- https://www.openoffice.org/security/cves/CVE-2017-9806.html
- https://www.talosintelligence.com/reports/TALOS-2017-0295
| Link | Providers | Tags |
|---|---|---|
| http://www.openoffice.org/security/cves/CVE-2017-9806.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/101585 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-9806 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1507803 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-9806 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-9806 | ||
| https://www.libreoffice.org/about-us/security/advisories/CVE-2017-9806 | ||
| https://www.openoffice.org/security/cves/CVE-2017-9806.html | ||
| https://www.talosintelligence.com/reports/TALOS-2017-0295 |
Change history (0)
No recorded changes yet.