
Find real vulnerabilities before they ship
The DNS stub resolver in the GNU C Library (aka glibc or libc6) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially simplifying off-path DNS spoofing attacks due to IP fragmentation.
Base Score
5.9| Base Score | 5.9 |
|---|---|
| Vector String | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| Base Severity | Medium |
| Version | 3.0 |
| Attack Vector (AV) | NETWORK |