CVE-2018-7999: sil graphite2 NULL Pointer Dereference
CVSS: 8.8v3.0HighModified
AliasesMGASA-2018-0240SUSE-SU-2018:0858-1UBUNTU-CVE-2018-7999USN-5657-1DEBIAN-CVE-2018-7999
Published 09-03-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-7999 is a high (CVSS 8.8) NULL Pointer Dereference vulnerability in sil graphite2. EPSS estimates a 2.25% chance of exploitation in the next 30 days, higher than 82.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.0 (NVD)EPSS score
2.25%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 09-03-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.25%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.25% on 18-09-2026
18-09-202618-10-2026
EPSS score2.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundGraphite
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Suse9 products
- graphite2&distro=SUSE Linux Enterprise Desktop 12 SP2< 1.3.1-10.3.1
- graphite2&distro=SUSE Linux Enterprise Desktop 12 SP3< 1.3.1-10.3.1
- graphite2&distro=SUSE Linux Enterprise Server 12 SP2< 1.3.1-10.3.1
- graphite2&distro=SUSE Linux Enterprise Server 12 SP3< 1.3.1-10.3.1
- graphite2&distro=SUSE Linux Enterprise Server for Raspberry Pi 12 SP2< 1.3.1-10.3.1
Mageia2 products
- graphite2< 1.3.10-1.1.mga5
- graphite2< 1.3.10-1.1.mga6
Debian1 product
- graphite2< 1.3.11-2
Sil1 product
- graphite21.3.11
Ubuntu1 product
- graphite2All versions (No fix recorded) | < 1.3.10-0ubuntu0.16.04.1+esm1
5 vendors · 14 products
