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TI-2018-05776 Aliases CVE-2018-7999GHSA-7p2q-34x4-g48j

In libgraphite2 in graphite2 1.3.11, a NULL pointer dereference vulnerability was found…

Priority MEDIUM 42CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
High · High · High
Fix status
Will not fix Red Hat: no fix planned

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

In libgraphite2 in graphite2 1.3.11, a NULL pointer dereference vulnerability was found in Segment.cpp during a dumbRendering operation, which may allow attackers to cause a denial of service or possibly have unspecified other impact via a crafted .ttf file.

Why it matters now

EPSS 0.02245 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Will not fix Red Hat: no fix planned

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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:sil:graphite2:1.3.11:*:*:*:*:*:*:*1.3.11VulnerableSil
  • cpe:2.3:a:sil:graphite2:1.3.11:*:*:*:*:*:*:* Versions 1.3.11 Vulnerable ·Sil

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Not affected: 3 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-7999
  2. 2026-10-03 Alias added: GHSA-7p2q-34x4-g48j

References

Exploit 1

Patch 1

Advisory 2

  • TI-2017-05396 Memory corruption in Mozilla Firefox CVSS 3.0CRITICAL 9.8
  • TI-2016-01400 Code.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and… CVSS 3.0HIGH 8.8
  • TI-2016-02341 Heap-based buffer overflow in the graphite2::Slot::setAttr function in Graphite 2 before… CVSS 3.0HIGH 8.8
  • TI-2016-02338 Heap-based buffer overflow in the graphite2::vm::Machine::Code::Code function in Graphite… CVSS 3.0HIGH 8.8
  • TI-2016-01399 The directrun function in directmachine.cpp in Libgraphite in Graphite 2 1.2.4, as used… CVSS 3.0HIGH 8.8
  • TI-2016-02336 The graphite2::TtfUtil::CmapSubtable12NextCodepoint function in Graphite 2 before 1.3.6… CVSS 3.0HIGH 8.8
See all 27 →

Sources

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