CVE catalog

CVE-2025-26519

musl: CVE-2025-26519

Severity: High · CVSS 8.1CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
Published: Feb 14, 2025, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.35% · Oct 27, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	musl	sid	`1.2.6-2`	fixed
Debian	musl	forky	`1.2.6-1`	fixed
Debian	musl	trixie	`1.2.5-3.1~deb13u1`	fixed
Debian	musl	bookworm	`1.2.3-1`	vulnerable
Alpine	musl	3.16	`1.2.3-r4`	fixed
Alpine	musl	3.17	`1.2.3-r6`	fixed
Alpine	musl	3.18	`1.2.4-r3`	fixed
Alpine	musl	3.19	`1.2.4_git20230717-r5`	fixed
Alpine	musl	3.20	`1.2.5-r1`	fixed
Alpine	musl	3.21	`1.2.5-r9`	fixed
Alpine	musl	3.22	`1.2.5-r10`	fixed
Alpine	musl	3.23	`1.2.5-r10`	fixed
Alpine	musl	3.24	`1.2.5-r10`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	musl	source	sid	`1.2.5-2`	not yet assigned	Not reported	[1098238]
Debian	musl	source	forky	`1.2.5-2`	not yet assigned	Not reported	[1098238]
Debian	musl	source	trixie	`1.2.5-2`	not yet assigned	Not reported	[1098238]
Debian	musl	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1098238]
Alpine	musl	apk	3.16	`1.2.3-r4`	Not reported	ALPINE-CVE-2025-26519	Not reported
Alpine	musl	apk	3.17	`1.2.3-r6`	Not reported	ALPINE-CVE-2025-26519	Not reported
Alpine	musl	apk	3.18	`1.2.4-r3`	Not reported	ALPINE-CVE-2025-26519	Not reported
Alpine	musl	apk	3.19	`1.2.4_git20230717-r5`	Not reported	ALPINE-CVE-2025-26519	Not reported
Alpine	musl	apk	3.20	`1.2.5-r1`	Not reported	ALPINE-CVE-2025-26519	Not reported
Alpine	musl	apk	3.21	`1.2.5-r9`	Not reported	ALPINE-CVE-2025-26519	Not reported
Alpine	musl	apk	3.22	`1.2.5-r10`	Not reported	ALPINE-CVE-2025-26519	Not reported
Alpine	musl	apk	3.23	`1.2.5-r10`	Not reported	ALPINE-CVE-2025-26519	Not reported
Alpine	musl	apk	3.24	`1.2.5-r10`	Not reported	ALPINE-CVE-2025-26519	Not reported

[Debian bug #1098238]

Notes

[bookworm] musl: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[musl]Affected
Details (2)
- 1.2.3-1 · amd64 · bookworm
  Affected
  dsa · musl · debian · bookworm; dsa · musl · debian · 12
- 1.2.3-1 · arm64 · bookworm
  Affected
  dsa · musl · debian · bookworm; dsa · musl · debian · 12
[musl-dev]Affected
Source package: [musl]
Details (2)
- 1.2.3-1 · amd64 · bookworm
  Affected
  dsa · musl · debian · bookworm; dsa · musl · debian · 12
- 1.2.3-1 · arm64 · bookworm
  Affected
  dsa · musl · debian · bookworm; dsa · musl · debian · 12
[musl-tools]Affected
Source package: [musl]
Details (2)
- 1.2.3-1 · amd64 · bookworm
  Affected
  dsa · musl · debian · bookworm; dsa · musl · debian · 12
- 1.2.3-1 · arm64 · bookworm
  Affected
  dsa · musl · debian · bookworm; dsa · musl · debian · 12

[Debian 13 (Trixie)]

[musl]Fixed
Details (2)
- 1.2.5-3.1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 1.2.5-2
  dsa · musl · debian · 13
- 1.2.5-3.1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 1.2.5-2
  dsa · musl · debian · 13
[musl-dev]Fixed
Source package: [musl]
Details (2)
- 1.2.5-3.1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 1.2.5-2
  dsa · musl · debian · 13
- 1.2.5-3.1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 1.2.5-2
  dsa · musl · debian · 13
[musl-tools]Fixed
Source package: [musl]
Details (2)
- 1.2.5-3.1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 1.2.5-2
  dsa · musl · debian · 13
- 1.2.5-3.1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 1.2.5-2
  dsa · musl · debian · 13

Observed: Oct 26, 2026, 11:18:49 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]