What is CVE-2026-90634?

CVE-2026-90634 is a high-severity vulnerability in Apache Openoffice, classified under Out-of-bounds Write. CVSS score: 7.3/10. Published 2026-11-04.

How severe is CVE-2026-90634?

High severity. CVSS v3 base score is 7.3 out of 10.

Buffer overflow in Apache Openoffice

CVE-2026-90634

An uncontrolled memory access in the PDF import code of Apache OpenOffice versions through 4.1.16 allows a crafted PDF to cause an out-of-bounds memory write, causing program crash or memory corruption. Users are recommended to upgrade to version 4.1.17, which fixes this issue.

Vulnerability class: Buffer Overflow

Published 2026-11-04 · last modified 2026-11-05.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

lists.apache.org/thread.html/1c0lropx46w8ozwk29p5yw1xlq4wnbll (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-90634?: CVE-2026-90634 is a high-severity vulnerability in Apache Openoffice, classified under Out-of-bounds Write. CVSS score: 7.3/10. Published 2026-11-04.
How severe is CVE-2026-90634?: High severity. CVSS v3 base score is 7.3 out of 10.