Apache OpenOffice vulnerabilities: known CVEs & security history
Apache · Office · 7 tracked CVEs · 0 actively exploited · updated October 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Apache OpenOffice release lines — 7 in total. A CVE here doesn't mean your version is affected — check Apache OpenOffice's current status and the safe version to run.
Known Apache OpenOffice CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2025-64403 | high | 8.1 | 1% | 2025 |
| CVE-2025-64405 | high | 7.5 | 1% | 2025 |
| CVE-2025-64404 | high | 7.5 | 1% | 2025 |
| CVE-2025-64401 | high | 7.5 | 1% | 2025 |
| CVE-2025-64402 | medium | 6.5 | 1% | 2025 |
| CVE-2025-64407 | medium | 5.3 | 0% | 2025 |
| CVE-2025-64406 | medium | 4.3 | 1% | 2025 |
Is my Apache OpenOffice version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Apache OpenOffice version → · Monitor Apache OpenOffice for new CVEs →
Apache OpenOffice vulnerabilities — frequently asked
How many known vulnerabilities does Apache OpenOffice have?
IsItPatched tracks 7 CVEs for Apache OpenOffice. 0 are critical-severity and 4 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Apache OpenOffice have any actively-exploited vulnerabilities?
None of Apache OpenOffice's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe Apache OpenOffice vulnerability?
Among tracked issues, CVE-2025-64403 (HIGH, CVSS 8.1) ranks highest — a Missing authorization weakness.
Is Apache OpenOffice safe to use?
It depends on the version. The latest supported Apache OpenOffice release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Apache OpenOffice security status · Apache OpenOffice end-of-life · actively-exploited CVEs. Always verify against Apache's advisories — see our disclaimer.