CVE-2018-7437
Publication date 23 February 2018
Last updated 25 August 2025
Ubuntu priority
Description
An issue was discovered in FreeXL before 1.0.5. There is a heap-based buffer over-read in a memcpy call of the parse_SST function.
From the Ubuntu Security Team
It was discovered that FreeXL did not properly handle certain input, resulting in a beap-based buffer over-read. If a user were tricked into opening a malicious Excel spreadsheet, FreeXL could potentially leak sensitive information.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| freexl | 18.04 LTS bionic |
Not affected
|
| 16.04 LTS xenial |
Fixed 1.0.2-1ubuntu0.1
|
|
| 14.04 LTS trusty |
Fixed 1.0.0g-1ubuntu0.14.04.3
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
8.8 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |