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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| musl-libc | musl | 0.9.13 – < 1.2.6 | 1.2.6 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | musl | 1.2.5-2 | — |
| Debian 13 | musl | 1.2.5-2 | — |
| Debian 12 | musl | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | musl | No fix yet | — |
| Ubuntu 26.04 LTS | musl | No fix yet | — |
| Ubuntu 25.10 | musl | No fix yet | — |
| Ubuntu 24.04 LTS | musl | No fix yet | — |
| Ubuntu 22.04 LTS | musl | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | musl | No fix yet | — |
| Ubuntu Pro 18.04 LTS | musl | No fix yet | — |
| Ubuntu Pro 16.04 LTS | musl | No fix yet | — |
| Ubuntu Pro 14.04 LTS | musl | No fix yet | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | musl | 1.2.5-r10 | — |
| Alpine v3.23 | musl | 1.2.5-r10 | — |
| Alpine v3.22 | musl | 1.2.5-r10 | — |
| Alpine v3.21 | musl | 1.2.5-r9 | — |
| Alpine v3.20 | musl | 1.2.5-r1 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | musl | 1.2.4_git20230717-r5 | — |
| Alpine v3.18 | musl | 1.2.4-r3 | — |
| Alpine v3.17 | musl | 1.2.3-r6 | — |
| Alpine v3.16 | musl | 1.2.3-r4 | — |