CVE-2018-16429: canonical ubuntu_linux Out-of-bounds Read
CVSS: 7.5v3.0HighModified
AliasesSUSE-SU-2018:3966-1UBUNTU-CVE-2018-16429DEBIAN-CVE-2018-16429
Published 04-09-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-16429 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 3.53% chance of exploitation in the next 30 days, higher than 89.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
3.53%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 04-09-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
GNOME GLib 2.56.1 has an out-of-bounds read vulnerability in g_markup_parse_context_parse() in gmarkup.c, related to utf8_str().
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.53%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
0.00 pp
From 3.53% on 19-09-2026
19-09-202619-10-2026
EPSS score3.53%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (gitlab.gnome.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Suse4 products
- glib2&distro=SUSE Linux Enterprise Server 11 SP4< 2.22.5-0.8.36.1
- glib2&distro=SUSE Linux Enterprise Server for SAP Applications 11 SP4< 2.22.5-0.8.36.1
- glib2&distro=SUSE Linux Enterprise Software Development Kit 11 SP4< 2.22.5-0.8.36.1
- glib2&distro=SUSE Studio Onsite 1.3< 2.22.5-0.8.36.1
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04
Debian1 product
- glib2.0< 2.58.0-1
Gnome1 product
- glib2.56.1
Ubuntu1 product
- glib2.0< 2.40.2-0ubuntu1.1 | < 2.48.2-0ubuntu4.1 | < 2.56.2-0ubuntu0.18.04.2
5 vendors · 8 products
References
16 links- gitlab.gnome.org/GNOME/glib/commit/cec71705406f0b2790422f0c1aa0ff3b4b464b1bX Refsource MISCPatchVendor Advisory
