CVE-2016-6263
Publication date 21 July 2016
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
The stringprep_utf8_nfkc_normalize function in lib/nfkc.c in libidn before 1.33 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via crafted UTF-8 data.
Status
Package | Ubuntu Release | Status |
---|---|---|
libidn | ||
16.04 LTS xenial |
Fixed 1.32-3ubuntu1.1
|
|
14.04 LTS trusty |
Fixed 1.28-1ubuntu2.1
|
|
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3068-1
- Libidn vulnerabilities
- 24 August 2016