Summary
It was discovered that Libidn incorrectly handled certain internationalized
domain name strings. An attacker could possibly use this issue to obtain
sensitive information or cause a denial of service.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 22.04 LTS 22.04:LTS | libidn | 1.38-4ubuntu1.1 |
| Ubuntu · 24.04 LTS 24.04:LTS | libidn | 1.42-1ubuntu0.1 |
| Ubuntu · 26.04 LTS 26.04:LTS | libidn | 1.43-2ubuntu0.26.04.1 |
Vulnerabilities 1
-
Medium 4.0
GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs because of mishand…
References
-
report
https://ubuntu.com/security/CVE-2026-57053