Description
Out-of-bounds write vulnerability in The Document Foundation LibreOffice via crafted OOXML documents with mismatched encryption salt parameters.
This issue affects LibreOffice: from 26.2 before 26.2.3, from 25.8 before 25.8.7.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The Document Foundation | LibreOffice | 26.2 – < 26.2.3, 25.8 – < 25.8.7 | 26.2.3 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libreoffice | 4:26.2.3.2-2 | — |
| Debian 13 | libreoffice | 4:25.2.3-2+deb13u4 | — |
| Debian 12 | libreoffice | 4:7.4.7-1+deb12u11 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | libreoffice | 4:26.2.3.2-0ubuntu0.26.04.1 | USN-8352-1 |
| Ubuntu 25.10 | libreoffice | 4:25.8.7-0ubuntu0.25.10.1 | USN-8352-1 |
| Ubuntu 24.04 LTS | libreoffice | 4:24.2.7-0ubuntu0.24.04.5 | USN-8340-1 |
| Ubuntu 22.04 LTS | libreoffice | 1:7.3.7-0ubuntu0.22.04.11 | USN-8340-1 |
| Ubuntu 20.04 LTS | libreoffice | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | autocorr-af +178 | 1:7.1.8.1-15.el9_8.1 | RHSA-2026:28290 |
| RHEL 8 | autocorr-af +171 | 1:6.4.7.2-20.el8_10 | RHSA-2026:28922 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.6 EUS | autocorr-af +178 | 1:7.1.8.1-15.el9_6.1 | RHSA-2026:37250 |
| RHEL 9.4 E4S | autocorr-af +176 | 1:7.1.8.1-15.el9_4.1 | RHSA-2026:38507 |
| RHEL 9.2 E4S | autocorr-af +176 | 1:7.1.8.1-14.el9_2.1 | RHSA-2026:38508 |
| RHEL 8.8 TUS | autocorr-af +169 | 1:6.4.7.2-18.el8_8.1 | RHSA-2026:37251 |
| RHEL 8.8 E4S | autocorr-af +169 | 1:6.4.7.2-18.el8_8.1 | RHSA-2026:37251 |
| RHEL 8.6 EUS Long Life | autocorr-af +169 | 1:6.4.7.2-18.el8_6.1 | RHSA-2026:39119 |
| RHEL 8.6 AUS | autocorr-af +169 | 1:6.4.7.2-18.el8_6.1 | RHSA-2026:39119 |
| RHEL 8.4 EUS Long Life | autocorr-af +169 | 1:6.4.7.2-18.el8_4.1 | RHSA-2026:37249 |
| RHEL 8.4 AUS | autocorr-af +169 | 1:6.4.7.2-18.el8_4.1 | RHSA-2026:37249 |
| RHEL 7 ELS | autocorr-af +180 | 1:5.3.6.1-28.el7_9 | RHSA-2026:46386 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | autocorr-af +178 | 1:7.1.8.1-15.el9_8.1.alma.1 | ALSA-2026:28290 |
| AlmaLinux 8 | autocorr-af +171 | 1:6.4.7.2-20.el8_10.alma.1 | ALSA-2026:28922 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | libreoffice | 1:7.1.8.1-15.el9_8.1 | RLSA-2026:28290 |
| Rocky Linux 8 | libreoffice | 1:6.4.7.2-20.el8_10 | RLSA-2026:28922 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | libreoffice | 26.2.5.1-150500.20.37.1 | SUSE-SU-2026:3140-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | libreoffice | 26.8.1.1-bp160.1.1 | openSUSE-SU-2026:22216-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | autocorr-af +178 | 1:7.1.8.1-15.0.1.el9_8.1 | ELSA-2026-28290 |
| Oracle Linux 8 | autocorr-af +171 | 1:6.4.7.2-20.0.1.el8_10 | ELSA-2026-28922 |
| Oracle Linux 7 | autocorr-af +180 | 1:5.3.6.1-26.0.5.el7_9 | ELSA-2026-46386 |
Advisories 21
- openSUSE-SU-2026:22216-1 Security update for libreoffice SUSE / openSUSE Security Updates · Nov 4, 2026
- WID-SEC-2026-1393 LibreOffice: Schwachstelle ermöglicht nicht spezifizierten Angriff BSI CERT-Bund (WID) · Nov 3, 2026
- ALSA-2026:28290 Moderate: libreoffice security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:28922 Moderate: libreoffice security update AlmaLinux Security Advisories · Oct 29, 2026
- ELSA-2026-46386 Important: libreoffice security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 18, 2026
- RHSA-2026:46386 Red Hat Security Advisory: libreoffice security update Red Hat Security Advisories (RHSA) · Jul 28, 2026
- RHSA-2026:39119 Red Hat Security Advisory: libreoffice security update Red Hat Security Advisories (RHSA) · Jul 28, 2026
- RHSA-2026:38507 Red Hat Security Advisory: libreoffice security update Red Hat Security Advisories (RHSA) · Jul 28, 2026
- RHSA-2026:38508 Red Hat Security Advisory: libreoffice security update Red Hat Security Advisories (RHSA) · Jul 28, 2026
- RHSA-2026:37251 Red Hat Security Advisory: libreoffice security update Red Hat Security Advisories (RHSA) · Jul 28, 2026
- RHSA-2026:37250 Red Hat Security Advisory: libreoffice security update Red Hat Security Advisories (RHSA) · Jul 28, 2026
- RHSA-2026:37249 Red Hat Security Advisory: libreoffice security update Red Hat Security Advisories (RHSA) · Jul 28, 2026
- RHSA-2026:28922 Red Hat Security Advisory: libreoffice security update Red Hat Security Advisories (RHSA) · Jul 28, 2026
- RHSA-2026:28290 Red Hat Security Advisory: libreoffice security update Red Hat Security Advisories (RHSA) · Jul 28, 2026
- SUSE-SU-2026:3140-1 Security update for libreoffice SUSE / openSUSE Security Updates · Jul 21, 2026
- ELSA-2026-28290 Moderate: libreoffice security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jun 30, 2026
- ELSA-2026-28922 Moderate: libreoffice security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jun 26, 2026
- RLSA-2026:28290 Moderate: libreoffice security update Rocky Linux Security Advisories · Jun 25, 2026
- RLSA-2026:28922 Moderate: libreoffice security update Rocky Linux Security Advisories · Jun 25, 2026
- USN-8352-1 libreoffice vulnerability Ubuntu Security Notices (USN) · Jun 1, 2026
- USN-8340-1 libreoffice vulnerability Ubuntu Security Notices (USN) · May 29, 2026