Severity
9.8CRITICAL
EPSS
1.1%
top 22.01%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 1
Latest updateMay 13

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages11 packages

Patches

🔴Vulnerability Details

3
GHSA
GHSA-m775-r988-g6m4: An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 22022-05-13
OSV
CVE-2018-6485: An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 22018-02-01
CVEList
CVE-2018-6485: An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 22018-02-01

📋Vendor Advisories

4
Ubuntu
GNU C Library vulnerabilities2020-07-06
Ubuntu
GNU C Library vulnerability2019-12-10
Debian
CVE-2018-6485: glibc - An integer overflow in the implementation of the posix_memalign in memalign func...2018
Red Hat
glibc: Integer overflow in posix_memalign in memalign functions2017-10-10

💬Community

2
Bugzilla
CVE-2018-6485 glibc: Integer overflow in posix_memalign in memalign functions [fedora-all]2018-02-05
Bugzilla
CVE-2018-6485 glibc: Integer overflow in posix_memalign in memalign functions2018-02-05
CVE-2018-6485 (CRITICAL CVSS 9.8) | An integer overflow in the implemen | cvebase.io