CVE-2021-39587
Publication date 20 September 2021
Last updated 26 August 2025
Ubuntu priority
Description
An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function swf_DumpABC() located in abc.c. It allows an attacker to cause Denial of Service.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| swftools | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty | Not in release |
Severity score breakdown
CVSS version: CVSS v3.0
Base score
5.5 · Medium
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H