Description
Stack-based buffer overflow in the inet_pton function in network/inet_pton.c in musl libc 0.9.15 through 1.0.4, and 1.1.0 through 1.1.7 allows attackers to have unspecified impact via unknown vectors.
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 | 1.1.5-2 | — |
| Debian 13 | musl | 1.1.5-2 | — |
| Debian 12 | musl | 1.1.5-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | musl | 1.1.9-1ubuntu0.1~esm2 | USN-4768-1 |
| Ubuntu Pro 14.04 LTS | musl | 0.9.15-1ubuntu0.1~esm1 | USN-4768-1 |
Advisories 1
- USN-4768-1 musl vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026