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Fencer Vulns
high 8.8

CVE-2018-7999 json

In libgraphite2 in graphite2 1.3.11, a NULL pointer dereference vulnerability was found in Segment.cpp during a dumbRendering operation, wh…

published 2018-03-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-19711

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

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.

Patch / fix

  • graphite2 Debian 14, Debian 13, Debian 12 1.3.11-2

debian advisories DEBIAN-CVE-2018-7999

  • graphite2 Ubuntu Pro 16.04 LTS 1.3.10-0ubuntu0.16.04.1+esm1

ubuntu advisories UBUNTU-CVE-2018-7999

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • graphite2 SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +6 more 1.3.1-10.3.1

suse advisories SUSE-SU-2018:0858-1

  • graphite2 openSUSE Tumbleweed 1.3.14-2.2

opensuse advisories openSUSE-SU-2024:10820-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-7999 updated cvss 8.8

graphite2: NULL pointer dereference in Segment.cpp in libgraphite2

  • Red Hat Enterprise Linux 7 graphite2
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 6 firefox, thunderbird Red Hat Enterprise Linux 7 firefox, thunderbird Red Hat Enterprise Linux 8 graphite2
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.25% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/silnrsi/graphite/issues/22 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.