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TI-2017-01877 Aliases CVE-2017-2626GHSA-jqp9-hwjj-p328

It was discovered that libICE before 1.0.9-8 used a weak entropy to generate keys.

Priority LOW 25CWE-331Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 8 fixed, 2 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

It was discovered that libICE before 1.0.9-8 used a weak entropy to generate keys. A local attacker could potentially use this flaw for session hijacking using the information available from the process list.

Why it matters now

EPSS 0.00464 40th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 8 fixed, 2 without a fix

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
XorglibICE1.0.9-8—No fix listedCNA
  • libICE VendorXorg Affected 1.0.9-8 Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:freedesktop:libice:*:*:*:*:*:*:*:*up to 1.0.9VulnerableFreedesktop
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_server_aus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:freedesktop:libice:*:*:*:*:*:*:*:* Versions up to 1.0.9 Vulnerable ·Freedesktop
  • 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_server_aus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 1 advisory

  • RHSA-2017:1865 Released 2017-08-01 · Red Hat rating Moderate
    X.org X11 libraries security, bug fix and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) libICE-1.0.9-9.el7, libX11-1.6.5-1.el7, libX11-common-1.6.5-1.el7 +38
    • Red Hat Enterprise Linux Client Optional (v. 7) drm-utils-2.4.74-1.el7, libICE-devel-1.0.9-9.el7, libX11-devel-1.6.5-1.el7 +44
    • Red Hat Enterprise Linux ComputeNode (v. 7) libICE-1.0.9-9.el7, libX11-1.6.5-1.el7, libX11-common-1.6.5-1.el7 +29
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) drm-utils-2.4.74-1.el7, libICE-devel-1.0.9-9.el7, libX11-devel-1.6.5-1.el7 +46
    • Red Hat Enterprise Linux Server (v. 7) libICE-1.0.9-9.el7, libICE-1.0.9-9.el7.ppc, libICE-devel-1.0.9-9.el7 +47
    • Red Hat Enterprise Linux Server Optional (v. 7) drm-utils-2.4.74-1.el7, libXdmcp-devel-1.1.2-6.el7, libXdmcp-devel-1.1.2-6.el7.ppc +42
    • Red Hat Enterprise Linux Workstation (v. 7) libICE-1.0.9-9.el7, libICE-devel-1.0.9-9.el7, libX11-1.6.5-1.el7 +47
    • Red Hat Enterprise Linux Workstation Optional (v. 7) drm-utils-2.4.74-1.el7, libXdmcp-devel-1.1.2-6.el7, libXfont-devel-1.5.2-1.el7 +24

Vendor assessments

Red Hat

Red Hat rating: Low. 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 Client (v. 7)Fixed RHSA-2017:1865
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2017:1865
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2017:1865
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2017:1865
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:1865
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2017:1865
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:1865
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2017:1865

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-2626
  2. 2026-10-03 Alias added: GHSA-jqp9-hwjj-p328

References

  • TI-2008-02265 Integer overflow in the ProcRenderCreateCursor function in the Render extension in the X… CVSS 2.0MEDIUM 6.8
  • TI-2017-01875 Information disclosure in xorg-x11-server CVSS 3.0HIGH 7.0
  • TI-2017-01876 It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate… CVSS 3.0MEDIUM 6.5

Sources