CVE-2018-6485
Published: 1 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
Status
Package | Release | Status |
---|---|---|
eglibc Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Released
(2.19-0ubuntu6.15+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
glibc Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
bionic |
Not vulnerable
(2.27-3ubuntu1)
|
|
cosmic |
Not vulnerable
(2.27-3ubuntu1)
|
|
disco |
Not vulnerable
(2.27-3ubuntu1)
|
|
eoan |
Not vulnerable
(2.27-3ubuntu1)
|
|
focal |
Not vulnerable
(2.27-3ubuntu1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.27)
|
|
xenial |
Released
(2.23-0ubuntu11.2)
|
|
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) |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |