CVE-2025-26519

Name: CVE-2025-26519
Creator: NVD / NIST
Published: 2025-02-14T04:15:09.05+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.34%

Last modified Jun 17, 2026

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

7/10

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.34%

25.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Musl-Libc	Musl	>= 0.9.13, < 1.2.6

References

https://git.musl-libc.org/cgit/musl/commit/?id=c47ad25ea3b484e10326f933e927c0bc8cded3daPatch
https://git.musl-libc.org/cgit/musl/commit/?id=e5adcd97b5196e29991b524237381a0202a60659Patch
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: Feb 14, 2025
Last Modified: Jun 17, 2026
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.

Are you affected by CVE-2025-26519?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST