idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | libidn2 | 2019-12-13 21:13 | ALAS-2019-1327 |
Amazon Linux 2 - Core | libidn2 | 2019-12-13 19:34 | ALAS2-2019-1373 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 5.6 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
NVD | CVSSv2 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
NVD | CVSSv3 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |