9.8

CVE-2018-16428: canonical ubuntu_linux NULL Pointer Dereference

CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2018-16428DEBIAN-CVE-2018-16428
Published 04-09-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-16428 is a critical (CVSS 9.8) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 4.69% chance of exploitation in the next 30 days, higher than 91.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
4.69%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 6 · Related 4
DLA-1866-1MGASA-2018-0405SUSE-SU-2018:3913-1SUSE-SU-2019:1596-1SUSE-SU-2019:1722-1USN-3767-1

Timeline

  1. 04-09-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In GNOME GLib 2.56.1, g_markup_parse_context_end_parse() in gmarkup.c has a NULL pointer dereference.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

4.69%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

0.00 pp

From 4.69% on 19-09-2026

19-09-202619-10-2026
EPSS score
4.69%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.gnome.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Canonical1 product
Debian1 product
  • glib2.0< 2.58.0-1
Gnome1 product
Ubuntu1 product
  • glib2.0< 2.40.2-0ubuntu1.1 | < 2.48.2-0ubuntu4.1 | < 2.56.2-0ubuntu0.18.04.2

4 vendors · 4 products

References

12 links
Show all 12 references