Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-6485

33
FAUCET Score

CVE-2018-6485 describes an integer overflow vulnerability in the GNU C Library (glibc) versions 2.26 and earlier, specifically within the posix_memalign and memalign functions. This flaw can lead to the allocation of an undersized heap area, potentially resulting in heap corruption across various products including GNU, NetApp, Oracle, and Red Hat. Rated as Critical with a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low attack complexity, posing a significant risk of complete compromise to confidentiality, integrity, and availability. The high FAUCET Risk Score of 93/100 further emphasizes its severe impact. While there is no evidence of active exploitation (KEV: No) and no public exploit code available in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered substantial community discussion with 10 mentions, indicating notable attention despite a lack of media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.26CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.69%
Probability of exploitation in next 30 days
EPSS Percentile
90.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0469 is in the 85th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: glibc-0:2.17-260.el7
View patch
redhatpatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: compat-glibc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: glibc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: compat-glibc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: compat-glibc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: glibc

Vendor Advisories (1)

redhatCVE-2018-6485Moderate

glibc: Integer overflow in posix_memalign in memalign functions

Oct 10, 2017

References

bugs.debian.org / 878159
Issue TrackingMailing ListThird Party Advisory
access.redhat.com / errata/RHBA-2019:0327
Third Party Advisory
access.redhat.com / errata/RHSA-2018:3092
PatchThird Party Advisory
security.netapp.com / advisory/ntap-20190404-0003
Third Party Advisory
sourceware.org / bugzilla/show_bug.cgi
Issue TrackingThird Party Advisory
usn.ubuntu.com / 4218-1
usn.ubuntu.com / 4416-1
oracle.com / technetwork/security-advisory/cpuapr2019-5072813.html
PatchThird Party Advisory
securityfocus.com / bid/102912
Third Party AdvisoryVDB Entry