https://seclists.org/oss-sec/2026/q2/72: [libc musl] - Algorithmic complexity DoS in iconv GB18030 decoder
Published Apr 9, 2026
·Updated
Affected Software
1 affected component
musl musl libc>=0.8.0<=1.2.6
Frequently Asked Questions
1
What is the severity of CVE-2026-6042?
CVE-2026-6042 is classified as a denial-of-service vulnerability affecting the GB18030 decoder in musl libc.
2
How do I fix CVE-2026-6042?
To fix CVE-2026-6042, update to the latest version of musl libc that addresses this vulnerability.
3
What systems are affected by CVE-2026-6042?
CVE-2026-6042 affects systems using the musl libc library, particularly those that rely on the GB18030 decoding functionality.
4
What types of attacks can be executed due to CVE-2026-6042?
CVE-2026-6042 allows attackers to exploit the algorithmic complexity in the GB18030 decoder to potentially cause a denial-of-service condition.
5
Is CVE-2026-6042 a critical vulnerability?
While the severity is notable due to the potential for denial-of-service, its criticality depends on the specific implementation and exposure in the environment.