CVE-2026-4430

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.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Vendor Advisory https://www.libreoffice.org/about-us/security/advisories/cve-2026-4430

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:* libreoffice >= 25.8.0.0 < 25.8.7.0
cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:* libreoffice >= 26.2.0.0 < 26.2.3.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
libreoffice edge-community 25.8.5.2-r1 Timo Teräs <timo.teras@iki.fi> possibly vulnerable
libreoffice edge-community 25.8.5.2-r0 Timo Teräs <timo.teras@iki.fi> possibly vulnerable
libreoffice edge-community 25.8.4.2-r0 Timo Teräs <timo.teras@iki.fi> possibly vulnerable
libreoffice edge-community 25.8.1.1-r7 Timo Teräs <timo.teras@iki.fi> possibly vulnerable
libreoffice edge-community 25.8.1.1-r6 Timo Teräs <timo.teras@iki.fi> possibly vulnerable
libreoffice edge-community 25.8.1.1-r5 Timo Teräs <timo.teras@iki.fi> possibly vulnerable
libreoffice edge-community 25.8.1.1-r4 Timo Teräs <timo.teras@iki.fi> possibly vulnerable
libreoffice edge-community 25.8.1.1-r3 Timo Teräs <timo.teras@iki.fi> possibly vulnerable
libreoffice edge-community 25.8.1.1-r2 Timo Teräs <timo.teras@iki.fi> possibly vulnerable
libreoffice edge-community 25.8.1.1-r1 Timo Teräs <timo.teras@iki.fi> possibly vulnerable
libreoffice edge-community 25.8.1.1-r0 Timo Teräs <timo.teras@iki.fi> possibly vulnerable
libreoffice 3.23-community 25.8.1.1-r5 Timo Teräs <timo.teras@iki.fi> possibly vulnerable