What’s Vulnerable › Vulnerabilities

CVE-2025-26519

• Severity: high (CVSS 7.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-14 · updated 2026-06-17
• Weakness: CWE-787

Description

musl libc 0.9.13 through 1.2.5 before 1.2.6 has an out-of-bounds write vulnerability when an attacker can trigger iconv conversion of untrusted EUC-KR text to UTF-8.

Affected products

• musl-libc musl: from 0.9.13 before 1.2.6 — fixed in 1.2.6

How to fix

Upgrade to a fixed version: musl-libc musl 1.2.6. Check the vendor advisory for mitigations.

References

• https://git.musl-libc.org/cgit/musl/commit/?id=c47ad25ea3b484e10326f933e927c0bc8cded3da
• https://git.musl-libc.org/cgit/musl/commit/?id=e5adcd97b5196e29991b524237381a0202a60659
• https://www.openwall.com/lists/oss-security/2025/02/13/2
• http://www.openwall.com/lists/oss-security/2025/02/13/2
• http://www.openwall.com/lists/oss-security/2025/02/13/3
• http://www.openwall.com/lists/oss-security/2025/02/13/4
• http://www.openwall.com/lists/oss-security/2025/02/13/5
• http://www.openwall.com/lists/oss-security/2025/02/14/5
• http://www.openwall.com/lists/oss-security/2025/02/14/6

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