https://seclists.org/oss-sec/2025/q1/136: [musl] CVE-2025-26519: musl libc: input-controlled out-of-bounds write primitive in iconv()

Published Feb 14, 2025
·
Updated

Affected Software

2 affected components
musl musl libc
libxml2 libxml2
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Frequently Asked Questions

1

What is the severity of CVE-2025-26519?

CVE-2025-26519 is classified as a high severity vulnerability due to the potential for input-controlled out-of-bounds writes.

2

How do I fix CVE-2025-26519?

To fix CVE-2025-26519, you should update musl libc to the latest patched version.

3

What is affected by CVE-2025-26519?

CVE-2025-26519 affects musl libc and any applications that utilize its iconv() function.

4

What are the potential impacts of CVE-2025-26519?

The potential impacts of CVE-2025-26519 include arbitrary code execution and instability in applications using musl libc.

5

How was CVE-2025-26519 discovered?

CVE-2025-26519 was discovered through basic fuzz testing methodologies.

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