CVE-2025-26519 describes an out-of-bounds write vulnerability in musl libc versions 0.9.13 through 1.2.5, affecting the musl-libc product. This flaw occurs when an attacker can manipulate iconv conversion of untrusted EUC-KR text to UTF-8. With a CVSS score of 7.0 (HIGH), this vulnerability has a local attack vector, high attack complexity, and could lead to high impacts on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in the KEV catalog. However, it has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0.9.13, < 1.2.6CPE matchmatch criteria | cpe:2.3:a:musl-libc:musl:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.