CVE-2018-6485

Published: 01 February 2018

An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.

Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
eglibc
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 20.10 (Groovy Gorilla) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr)
Released (2.19-0ubuntu6.15+esm1)
glibc
Launchpad, Ubuntu, Debian
Upstream
Released (2.27)
Ubuntu 20.10 (Groovy Gorilla) Not vulnerable
(2.27-3ubuntu1)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(2.27-3ubuntu1)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(2.27-3ubuntu1)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (2.23-0ubuntu11.2)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8e448310d74b283c5cd02b9ed7fb997b47bf9b22 (master)
Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=01ba6f50762ad4fcd156a53ef7dbe671b64d3a5c (2.26)
Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9331dbdcd7aa8e997eb4caa9b1b0cb6c804320c8 (2.25)
Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d2450a97c3df5527ea0fd49743bc354c979c185f (2.22)