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Status published
Unknown
CVE-2018-19591
In the GNU C Library (aka glibc or libc6) through...
Vulnerability Description
In the GNU C Library (aka glibc or libc6) through 2.28, attempting to resolve a crafted hostname via getaddrinfo() leads to the allocation of a socket descriptor that is not closed. This is related to the if_nametoindex() function.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://sourceware.org/git/?p=glibc.git%3Ba=blob_plain%3Bf=NEWS%3Bhb=HEAD
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO7WHN52GFMC5F2I2232GFIPSSXWFV7G/
- http://www.securityfocus.com/bid/106037
- https://sourceware.org/bugzilla/show_bug.cgi?id=23927
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M52KE4YR3GNMHQUOS3DKAGZD5TQ5D5UH/
- https://security.gentoo.org/glsa/201903-09
- http://www.securitytracker.com/id/1042174
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=d527c860f5a3f0ed687bd03f0cb464612dc23408
- https://security.netapp.com/advisory/ntap-20190321-0003/
- https://security.gentoo.org/glsa/201908-06
- https://usn.ubuntu.com/4416-1/
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Affected Vendor
Affected Software
glibc, fedora
Vulnerable Versions:
0, 28, 29
Timeline
Official Publish:
December 4th, 2018
Last Modified:
December 3rd, 2025
Added to House:
July 20th, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.