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.
Source: musl (LP Ubuntu Debian)
Upstream:released (1.1.17-1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Trusty/esm:DNE (trusty was not-affected [code not present])
Ubuntu 16.04 LTS (Xenial Xerus):needed
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (1.1.19-1)
Ubuntu 18.10 (Cosmic Cuttlefish):not-affected (1.1.19-1)
Ubuntu 19.04 (Disco Dingo):not-affected (1.1.19-1)
Ubuntu 19.10 (Eoan):not-affected (1.1.19-1)
More Information

Updated: 2019-04-26 14:20:28 UTC (commit 30899e40836d26e1bb5f0b072d31fd87b6cf3bd4)