CVE-2017-17669
Publication date 13 December 2017
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
There is a heap-based buffer over-read in the Exiv2::Internal::PngChunk::keyTXTChunk function of pngchunk_int.cpp in Exiv2 0.26. A crafted PNG file will lead to a remote denial of service attack.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| exiv2 | ||
| 18.04 LTS bionic |
Fixed 0.25-3.1ubuntu0.18.04.2
|
|
| 16.04 LTS xenial |
Fixed 0.25-2.1ubuntu16.04.3
|
|
| 14.04 LTS trusty |
Fixed 0.23-1ubuntu2.2
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3852-1
- Exiv2 vulnerabilities
- 10 January 2019