CVE-2026-4430CWE-787

Heap Buffer Overflow in AgileEngine

Medium · published May 7, 2026

CVSS v4.0
5.4
EPSS
0%
Percentile
1.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.4 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.00110 · 1.2th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-05-07T07:16Z
EPSS history
Timeline
  • 07 MAY 07:16Z
    Heap Buffer Overflow in AgileEngine
    cvelistv5