CVE-2026-6040
Heap use-after-free in ODF number-format blank-width parsing
- State
- Published
- Severity
- 5.4 Medium
- Published
- Jun 15, 2026
- Updated
- Jul 23, 2026
- Reserved
- Apr 9, 2026
Description
A heap use-after-free existed when importing the blank-width characters of an ODF number format. A position value read from the document was not checked against the length of the format-code string, so a malformed number format could be processed against memory outside that string. In fixed versions the position is bounds-checked before use.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.4 Medium | 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 | Document Fdn. |
| 3.1 | 7.3 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H | redhat-SADP |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
LibreOfficeThe Document Foundation |
|
References
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