CVE-2025-26519
HIGHCVSS 7/10EPSS 0.34%
Last modified
CVE-2025-26519 is a high-severity vulnerability rated 7/10 on the CVSS scale. 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.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Musl-Libc | Musl | >= 0.9.13, < 1.2.6 |
References
- https://www.openwall.com/lists/oss-security/2025/02/13/2Mailing List, Mitigation, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2025/02/13/2Mailing List, Mitigation, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2025/02/13/3Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2025/02/13/4Mailing List, Mitigation, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2025/02/13/5Mailing List, Mitigation, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2025/02/14/5Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2025/02/14/6Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-26519?
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.
How severe is CVE-2025-26519?
CVE-2025-26519 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2025-26519?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2025-26519?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST