| Name | CVE-2018-19591 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | medium (attack range: remote) |
| Debian Bugs | 914837 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| glibc (PTS) | jessie (security), jessie | 2.19-18+deb8u10 | fixed |
| stretch | 2.24-11+deb9u4 | fixed | |
| stretch (security) | 2.24-11+deb9u1 | fixed | |
| buster | 2.28-10 | fixed | |
| bullseye, sid | 2.29-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| eglibc | source | (unstable) | (unfixed) | medium | ||
| glibc | source | (unstable) | 2.28-1 | medium | 914837 | |
| glibc | source | jessie | (not affected) | |||
| glibc | source | stretch | (not affected) |
[stretch] - glibc <not-affected> (Vulnerable code introduced later and not backported to stretch)
[jessie] - glibc <not-affected> (Vulnerable code introduced later and not backported to jessie)
https://sourceware.org/bugzilla/show_bug.cgi?id=23927
Fixed by: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d527c860f5a3f0ed687bd03f0cb464612dc23408
Introduced by: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2180fee114b778515b3f560e5ff1e795282e60b0