CVE-2025-26519 — Out-of-bounds Write in Musl

CWE-787 — Out-of-bounds Write5 documents5 sources
Severity
7.0HIGHNVD
CNA8.1
EPSS
0.0%
top 89.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Musl-libc Musl
Timeline
PublishedFeb 14

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.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5musl-libc/musl0.9.13 — 1.2.6
▶NVDmusl-libc/musl0.9.13 — 1.2.6
▶Debianmusl-libc/musl< 1.2.5-2+1

Patches

Patch: git.musl-libc.org ↗Patch: git.musl-libc.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-xpv5-92cc-8f65: musl libc 0↗2025-02-14
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OSV
CVE-2025-26519: musl libc 0↗2025-02-14
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CVEList
CVE-2025-26519: musl libc 0↗2025-02-14
▶

📋Vendor Advisories

1
Debian
CVE-2025-26519: musl - musl libc 0.9.13 through 1.2.5 before 1.2.6 has an out-of-bounds write vulnerabi...↗2025
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CVE-2025-26519 — Out-of-bounds Write in Musl-libc Musl | cvebase