CVE-2018-19591
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Gnu Glibc
PublishedDec 4, 2018
First seenDec 4, 2018
Weakness typeCWE-404CWE-404
How to fix
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO7WHN52GFMC5F2I2232GFIPSSXWFV7G/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M52KE4YR3GNMHQUOS3DKAGZD5TQ5D5UH/
- security.gentoo.org/glsa/201903-09
- security.gentoo.org/glsa/201908-06
- usn.ubuntu.com/4416-1/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gnu glibc | v ≤ 2.28 | — |
| fedoraproject fedora | 28, 29 | — |
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