CVE-2026-4437 Detail
Received
This CVE record has recently been published to the CVE List and has been included within the NVD dataset. DescriptionCalling 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. Metrics
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CVSS 4.0 Severity and Vector Strings:
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Weakness Enumeration
Quick InfoCVE Dictionary Entry:CVE-2026-4437 NVD Published Date: 03/20/2026 NVD Last Modified: 03/20/2026 Source: GNU C Library |
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