What’s Vulnerable › Vulnerabilities

CVE-2018-7999

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-03-09 · updated 2026-06-17
• Weakness: CWE-476

Description

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.

Affected products

• Sil Graphite2: 1.3.11

References

• https://github.com/silnrsi/graphite/commit/db132b4731a9b4c9534144ba3a18e65b390e9ff6
• https://github.com/silnrsi/graphite/issues/22
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L5F3CK2IPXFCLQZEBEEXONWIABN2E7H2/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LVWOKYZZDEMG6VSG53KAGUOHUIIQ7CND/
• https://github.com/silnrsi/graphite/commit/db132b4731a9b4c9534144ba3a18e65b390e9ff6
• https://github.com/silnrsi/graphite/issues/22
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L5F3CK2IPXFCLQZEBEEXONWIABN2E7H2/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LVWOKYZZDEMG6VSG53KAGUOHUIIQ7CND/

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