CVE-2019-20421
Publication date 27 January 2020
Last updated 25 August 2025
Ubuntu priority
Description
In Jp2Image::readMetadata() in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| exiv2 | ||
| 18.04 LTS bionic |
Fixed 0.25-3.1ubuntu0.18.04.5
|
|
| 16.04 LTS xenial |
Fixed 0.25-2.1ubuntu16.04.6
|
|
| 14.04 LTS trusty | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.5 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-4270-1
- Exiv2 vulnerability
- 5 February 2020