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Multiple stack-based buffer overflows in the __dn_expand function in network/dn_expand.c in musl libc 1.1x before 1.1.2 and 0.9.13 through 1.0.3 allow remote attackers to (1) have unspecified impact via an invalid name length in a DNS response or (2) cause a denial of service (crash) via an invalid name length in a DNS response, related to an infinite loop with no output.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade musl | Jul 30, 2024 | Feb 20, 2020 |
| Ubuntu | — | Upgrade musl (Ubuntu Pro) | Mar 22, 2023 | Feb 20, 2020 |
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