CVE-2026-59267: A crafted DXF document causes a heap buffer overflow in Draw in Apache OpenOffice 4.1.16 and earlier

Q: How do I fix CVE-2026-59267?

openoffice: upgrade to 4.1.17. Exact commands for each OS are on this page.

Q: Is CVE-2026-59267 being exploited?

CVE-2026-59267 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-59267 affect?

CVE-2026-59267 affects openoffice. Severity is high (CVSS 7.8). A crafted DXF document causes a heap buffer overflow in Draw in Apache OpenOffice 4.1.16 and earlier. This could cause a crash or otherwise a corruption of memory areas. Users are recommended to upgrade to version 4.1.17, which fixes this i

Q: How urgent is CVE-2026-59267?

Priority 35/100. High severity; Covered by 3 security sources; On your watchlist

Routine

HIGH 7.8WATCHLISTUPGRADE

CVE-2026-59267 is a high-severity flaw (CVSS 7.8) affecting openoffice. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A crafted DXF document causes a heap buffer overflow in Draw in Apache OpenOffice 4.1.16 and earlier. This could cause a crash or otherwise a corruption of memory areas. Users are recommended to upgrade to version 4.1.17, which fixes this issue.

Why this priority

High severity
Covered by 3 security sources
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	n/a
CISA exploited list	No
Weakness	CWE-122
Published	2026-11-04
Last modified	2026-11-04

Publisher (CNA): Apache Software Foundation · Vendor: apache

Last updated 2026-11-04 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-11-04 12:17 UTCPublished CVE record published
2026-11-04 15:51 UTCUpdated Record last modified

apache openoffice UPGRADE

Affected: < 4.1.17

Fixed in: 4.1.17

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy openoffice || rpm -q openoffice || openoffice --version

2. UPGRADE to 4.1.17 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade openoffice

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade openoffice

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Advisories and coverage

Research and news

Vulners Bulletins: CVE-2026-59267 2026-11-04
Vulners Bulletins: CVE-2026-59267 Apache OpenOffice: Heap Buffer Overflow in DXF LWPOLYLINE import could cause memory corruption 2026-11-04
Vulners Bulletins: CVE-2026-59267 Apache OpenOffice: Heap Buffer Overflow in DXF LWPOLYLINE import could cause memory corruption 2026-11-04
VulDB Recent Entries: CVE-2026-59267 | Apache OpenOffice heap-based overflow 2026-11-04
oss-security list: CVE-2026-59267: Apache OpenOffice: Heap Buffer Overflow in DXF LWPOLYLINE import could cause memory corruption 2026-11-03

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-59267?

openoffice: upgrade to 4.1.17. Exact commands for each OS are on this page.

Is CVE-2026-59267 being exploited?

CVE-2026-59267 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-59267 affect?

CVE-2026-59267 affects openoffice. Severity is high (CVSS 7.8). A crafted DXF document causes a heap buffer overflow in Draw in Apache OpenOffice 4.1.16 and earlier. This could cause a crash or otherwise a corruption of memory areas. Users are recommended to upgrade to version 4.1.17, which fixes this i

How urgent is CVE-2026-59267?

Priority 35/100. High severity; Covered by 3 security sources; On your watchlist

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References

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