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TI-2018-04767 Aliases CVE-2018-6485GHSA-m775-r988-g6m4

An integer overflow in the implementation of the posix_memalign in memalign functions in…

Priority MEDIUM 50CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 10 fixed, 3 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.04689 91st percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 10 fixed, 3 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 20

CPEVersionsRoleVendor
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*up to 2.26VulnerableGNU
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:a:oracle:communications_session_border_controller:8.0.0:*:*:*:*:*:*:*8.0.0VulnerableOracle
cpe:2.3:a:oracle:communications_session_border_controller:8.1.0:*:*:*:*:*:*:*8.1.0VulnerableOracle
cpe:2.3:a:oracle:communications_session_border_controller:8.2.0:*:*:*:*:*:*:*8.2.0VulnerableOracle
cpe:2.3:a:oracle:enterprise_communications_broker:3.0.0:*:*:*:*:*:*:*3.0.0VulnerableOracle
cpe:2.3:a:oracle:enterprise_communications_broker:3.1.0:*:*:*:*:*:*:*3.1.0VulnerableOracle
  • cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* Versions up to 2.26 Vulnerable ·GNU
  • cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:a:oracle:communications_session_border_controller:8.0.0:*:*:*:*:*:*:* Versions 8.0.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:communications_session_border_controller:8.1.0:*:*:*:*:*:*:* Versions 8.1.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:communications_session_border_controller:8.2.0:*:*:*:*:*:*:* Versions 8.2.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:enterprise_communications_broker:3.0.0:*:*:*:*:*:*:* Versions 3.0.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:enterprise_communications_broker:3.1.0:*:*:*:*:*:*:* Versions 3.1.0 Vulnerable ·Oracle
Show 10 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:data_ontap_edge:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:element_software_management:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:storage_replication_adapter:*:*:*:*:*:*:*:*7.2VulnerableNetApp
cpe:2.3:a:netapp:vasa_provider:*:*:*:*:*:clustered_data_ontap:*:*7.2VulnerableNetApp
cpe:2.3:a:netapp:vasa_provider:6.x:*:*:*:*:clustered_data_ontap:*:*6.xVulnerableNetApp
cpe:2.3:a:netapp:virtual_storage_console:*:*:*:*:*:vmware_vsphere:*:*7.2VulnerableNetApp
cpe:2.3:a:netapp:virtual_storage_console:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
  • cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:data_ontap_edge:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:element_software_management:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:storage_replication_adapter:*:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:vasa_provider:*:*:*:*:*:clustered_data_ontap:*:* Versions 7.2 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:vasa_provider:6.x:*:*:*:*:clustered_data_ontap:*:* Versions 6.x Vulnerable ·NetApp
  • cpe:2.3:a:netapp:virtual_storage_console:*:*:*:*:*:vmware_vsphere:*:* Versions 7.2 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:virtual_storage_console:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp

Remediation

Red Hat 1 advisory

  • RHSA-2018:3092 Released 2018-10-30 · Red Hat rating Moderate
    glibc security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) glibc-2.17-260.el7, glibc-common-2.17-260.el7, glibc-devel-2.17-260.el7 +3
    • Red Hat Enterprise Linux Client Optional (v. 7) glibc-static-2.17-260.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) glibc-2.17-260.el7, glibc-common-2.17-260.el7, glibc-devel-2.17-260.el7 +3
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) glibc-static-2.17-260.el7
    • Red Hat Enterprise Linux Server (v. 7) glibc-2.17-260.el7, glibc-2.17-260.el7.ppc, glibc-common-2.17-260.el7 +5
    • Red Hat Enterprise Linux Server Optional (v. 7) glibc-static-2.17-260.el7, glibc-static-2.17-260.el7.ppc
    • Red Hat Enterprise Linux Workstation (v. 7) glibc-2.17-260.el7, glibc-common-2.17-260.el7, glibc-devel-2.17-260.el7 +3
    • Red Hat Enterprise Linux Workstation Optional (v. 7) glibc-static-2.17-260.el7
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) glibc-2.17-260.el7, glibc-common-2.17-260.el7, glibc-devel-2.17-260.el7 +3
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) glibc-static-2.17-260.el7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2018:3092
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:3092
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2018:3092
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2018:3092
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:3092
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:3092
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:3092
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:3092
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2018:3092
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2018:3092
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-6485
  2. 2026-10-03 Alias added: GHSA-m775-r988-g6m4

References

Patch 2

Advisory 6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences