VDB
GHSA-m5wq-r4r4-4qrh
GHSA-m5wq-r4r4-4qrh
PUBLISHED
CVSS 7.5 HIGH
Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the application to treat a non-answer section of the DNS response as a valid answer.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Timeline
- Mar 20, 2026 CVE Published
- Mar 23, 2026 CVE Updated
- Apr 10, 2026 Security Advisory