Home/CVE/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
CVE

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

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.

HIGH · CVSS 8.1 EPSS 0.00034
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

1
musl-libc musl>= 0.9.13 and < 1.2.6
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Feb 2025 · 04:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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 ListMitigationThird Party Advisory
http://www.openwall.com/lists/oss-security/2025/02/13/2Mailing ListMitigationThird Party Advisory
http://www.openwall.com/lists/oss-security/2025/02/13/3Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2025/02/13/4Mailing ListMitigationThird Party Advisory
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