CVE-2018-6485

critical

Description

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.

References

https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

https://usn.ubuntu.com/4416-1/

https://usn.ubuntu.com/4218-1/

https://sourceware.org/bugzilla/show_bug.cgi?id=22343

https://security.netapp.com/advisory/ntap-20190404-0003/

https://access.redhat.com/errata/RHSA-2018:3092

https://access.redhat.com/errata/RHBA-2019:0327

http://www.securityfocus.com/bid/102912

http://bugs.debian.org/878159

Details

Source: Mitre, NVD

Published: 2018-02-01

Updated: 2020-08-24

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical