CVE-2018-17942
Publication date 3 October 2018
Last updated 25 August 2025
Ubuntu priority
Description
The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| gnulib | ||
| 18.04 LTS bionic |
Fixed 20140202stable-2deb8u1build0.18.04.1
|
|
| 16.04 LTS xenial |
Fixed 20140202stable-2deb8u1build0.16.04.1
|
|
| 14.04 LTS trusty | Not in release |
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 |