| Name | CVE-2026-4430 |
| 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-6251-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libreoffice (PTS) | bullseye | 1:7.0.4-4+deb11u10 | vulnerable |
| bullseye (security) | 1:7.0.4-4+deb11u13 | vulnerable | |
| bookworm | 4:7.4.7-1+deb12u10 | vulnerable | |
| bookworm (security) | 4:7.4.7-1+deb12u11 | fixed | |
| trixie | 4:25.2.3-2+deb13u3 | vulnerable | |
| trixie (security) | 4:25.2.3-2+deb13u4 | fixed | |
| forky, sid | 4:26.2.3.2-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libreoffice | source | bookworm | 4:7.4.7-1+deb12u11 | DSA-6251-1 | ||
| libreoffice | source | trixie | 4:25.2.3-2+deb13u4 | DSA-6251-1 | ||
| libreoffice | source | (unstable) | 4:26.2.3.2-2 |
https://www.libreoffice.org/security/#cve-2026-4430
https://git.libreoffice.org/core/+/1ec3db717fa144ddff3e9b0a2338a82355cf365b