musl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dns_parse_callback in network/lookup_name.c does not restrict the number of addresses, and thus an attacker can provide an unexpected number by sending A records in a reply to an AAAA query.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade musl | Oct 24, 2017 | Oct 19, 2017 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Oct 19, 2017 |
| Debian | — | Upgrade musl | Jul 30, 2024 | Oct 19, 2017 |
| Ubuntu | — | Upgrade musl (Ubuntu Pro) | Mar 22, 2023 | Oct 19, 2017 |
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