CVE-2018-16429
GNOME GLib 2.56.1 has an out-of-bounds read vulnerability in g_markup_parse_context_parse() in...
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().
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.5
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().
- Record
CVE-2018-16429- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
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().
- Record
CVE-2018-16429- Updated
- 2026-11-02
EUVDEUVD-2018-8269 No score
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().
- Record
EUVD-2018-8269- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x96r-v34q-q4vv
7.5
GNOME GLib 2.56.1 has an out-of-bounds read vulnerability in g_markup_parse_context_parse() in...
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().
- Record
GHSA-x96r-v34q-q4vv- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVBELL-CVE-2018-16429
7.5
CVE-2018-16429 does not affect BellSoft software
- Record
BELL-CVE-2018-16429- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV
7.5
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().
- Record
CVE-2018-16429- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 9 moreShow less
OSVDEBIAN-CVE-2018-16429
7.5
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().
- Record
DEBIAN-CVE-2018-16429- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-16429
7.5
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().
- Record
UBUNTU-CVE-2018-16429- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVMGASA-2018-0405 No score
Updated glib2.0 packages fix security vulnerabilities
The updated glib2.0 packages fix security vulnerabilities:
In GNOME GLib 2.56.1, g_markup_parse_context_end_parse() in gmarkup.c has a NULL pointer dereference (CVE-2018-16428).
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() (CVE-2018-16429).
- Record
MGASA-2018-0405- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10791-1 No score
gio-branding-upstream-2.68.4-2.2 on GA media
These are all security issues fixed in the gio-branding-upstream-2.68.4-2.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10791-1- Updated
- 2026-11-02
OSVSUSE-SU-2018:3913-1 No score
Security update for glib2
This update for glib2 fixes the following issues:
Security issues fixed:
- CVE-2018-16428: Do not do a NULL pointer dereference (crash). Avoid that, at the cost of introducing a new translatable error message (bsc#1107121).
- CVE-2018-16429: Fixed out-of-bounds read vulnerability ing_markup_parse_context_parse() (bsc#1107116).
Non-security issue fixed:
- various GVariant parsing issues have been resolved (bsc#1111499)
- Record
SUSE-SU-2018:3913-1- Updated
- 2026-11-02
OSVSUSE-SU-2018:3966-1 No score
Security update for glib2
This update for glib2 fixes the following issues:
Security issues fixed:
- CVE-2018-16429: Fixed out-of-bounds read vulnerability ing_markup_parse_context_parse() (bsc#1107116).
- Fixing potentially exploitable bugs in UTF-8 validation in Variant and DBUS message parsing (bsc#1111499).
- Record
SUSE-SU-2018:3966-1- Updated
- 2026-11-02
OSVSUSE-SU-2019:1596-1 No score
Security update for glib2
This update for glib2 fixes the following issues:
Security issues fixed:
- CVE-2019-12450: Fixed an improper file permission when copy operation takes place (bsc#1137001).
- CVE-2018-16428: Avoid a NULL pointer dereference (bsc#1107121).
- CVE-2018-16429: Fixed out-of-bounds read vulnerability ing_markup_parse_context_parse() (bsc#1107116).
- Some exploitable parser bugs in GVariant and GDBus subsystems were fixed (bsc#1111499).
- Record
SUSE-SU-2019:1596-1- Updated
- 2026-11-02
OSVSUSE-SU-2019:1722-1 No score
Security update for glib2
This update for glib2 provides the following fix:
Security issues fixed:
- CVE-2019-12450: Fixed an improper file permission when copy operation takes place (bsc#1137001).
- CVE-2018-16428: Avoid a null pointer dereference that could crash glib2 users in markup processing (bnc#1107121).
- CVE-2018-16429: Fixed out-of-bounds read vulnerability ing_markup_parse_context_parse() (bsc#1107116).
Non-security issues fixed:
- Install dummy *-mimeapps.list files to prevent dead symlinks. (bsc#1061599)
- Record
SUSE-SU-2019:1722-1- Updated
- 2026-11-02
OSVUSN-3767-1 No score
glib2.0 vulnerabilities
It was discovered that GLib incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2018-16428)
It was discovered that GLib incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information. (CVE-2018-16429)
- Record
USN-3767-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
glib2.0Debian:12 |
before 2.58.0-1 | 2.58.0-1 |
glib2.0Debian:13 |
before 2.58.0-1 | 2.58.0-1 |
glib2.0Debian:14 |
before 2.58.0-1 | 2.58.0-1 |
glib2.0Debian:8 From an advisory covering 3 CVEs |
before 2.42.1-1+deb8u2, plus listed versions 2.42.1-12.42.1-1+deb8u1 |
2.42.1-1+deb8u2 |
glib2.0Mageia:6 From an advisory covering 2 CVEs |
before 2.54.3-1.2.mga6 | 2.54.3-1.2.mga6 |
glib2SUSE:Linux Enterprise Module for Basesystem 15 From an advisory covering 2 CVEs |
before 2.54.3-4.7.1 | 2.54.3-4.7.1 |
glib2SUSE:Linux Enterprise Module for Package Hub 15 From an advisory covering 2 CVEs |
before 2.54.3-4.7.1 | 2.54.3-4.7.1 |
glib2SUSE:Linux Enterprise Software Development Kit 11 SP4 |
before 2.22.5-0.8.36.1 | 2.22.5-0.8.36.1 |
glib2SUSE:Linux Enterprise Server 11 SP4 |
before 2.22.5-0.8.36.1 | 2.22.5-0.8.36.1 |
glib2SUSE:Linux Enterprise Server for SAP Applications 11 SP4 |
before 2.22.5-0.8.36.1 | 2.22.5-0.8.36.1 |
Show 24 moreShow less
| Package | Affected | Fixed |
|---|---|---|
glib2SUSE:Studio Onsite 1.3 |
before 2.22.5-0.8.36.1 | 2.22.5-0.8.36.1 |
glib2SUSE:Linux Enterprise Server 12-LTSS From an advisory covering 3 CVEs |
before 2.38.2-7.9.2 | 2.38.2-7.9.2 |
glib2SUSE:Linux Enterprise Server 12 SP1-LTSS From an advisory covering 3 CVEs |
before 2.38.2-7.9.2 | 2.38.2-7.9.2 |
glib2SUSE:OpenStack Cloud 7 From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Linux Enterprise Desktop 12 SP3 From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Linux Enterprise Desktop 12 SP4 From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Linux Enterprise Server for SAP Applications 12 SP2 From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Linux Enterprise Software Development Kit 12 SP3 From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Linux Enterprise Software Development Kit 12 SP4 From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Linux Enterprise Server 12 SP2-LTSS From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Linux Enterprise Server 12 SP2-BCL From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Linux Enterprise Server 12 SP3 From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Linux Enterprise Server for SAP Applications 12 SP3 From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Linux Enterprise Server 12 SP4 From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Linux Enterprise Server for SAP Applications 12 SP4 From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Linux Enterprise Workstation Extension 12 SP3 From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Linux Enterprise Workstation Extension 12 SP4 From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2SUSE:Enterprise Storage 4 From an advisory covering 3 CVEs |
before 2.48.2-12.12.2 | 2.48.2-12.12.2 |
glib2.0Ubuntu:14.04:LTS |
before 2.40.2-0ubuntu1.1, plus listed versions 2.38.0-1ubuntu12.38.1-12.39.1-0ubuntu12.39.1-0ubuntu22.39.1-0ubuntu3 Show 12 moreShow less2.39.2-0ubuntu12.39.2-0ubuntu22.39.3-0ubuntu42.39.4-0ubuntu12.39.90-0ubuntu12.39.91-0ubuntu22.39.91-0ubuntu32.39.92-22.40.0-12.40.0-1ubuntu12.40.0-22.40.2-0ubuntu1 |
2.40.2-0ubuntu1.1 |
glib2.0Ubuntu:16.04:LTS |
before 2.48.2-0ubuntu4.1, plus listed versions 2.46.1-12.46.1-22.47.1-12.47.3-32.47.4-1 Show 8 moreShow less2.47.5-12.47.6-12.48.0-1ubuntu32.48.0-1ubuntu42.48.1-1~ubuntu16.04.12.48.2-0ubuntu12.48.2-0ubuntu32.48.2-0ubuntu4 |
2.48.2-0ubuntu4.1 |
glib2.0Ubuntu:18.04:LTS |
before 2.56.2-0ubuntu0.18.04.2, plus listed versions 2.54.1-1ubuntu12.55.2-2ubuntu12.56.0-2ubuntu12.56.0-4ubuntu12.56.1-2ubuntu12.56.2-0ubuntu0.18.04.1 |
2.56.2-0ubuntu0.18.04.2 |
glib2.0Ubuntu:14.04:LTS From an advisory covering 2 CVEs |
before 2.40.2-0ubuntu1.1, plus listed versions 2.38.0-1ubuntu12.38.1-12.39.1-0ubuntu12.39.1-0ubuntu22.39.1-0ubuntu3 Show 12 moreShow less2.39.2-0ubuntu12.39.2-0ubuntu22.39.3-0ubuntu42.39.4-0ubuntu12.39.90-0ubuntu12.39.91-0ubuntu22.39.91-0ubuntu32.39.92-22.40.0-12.40.0-1ubuntu12.40.0-22.40.2-0ubuntu1 |
2.40.2-0ubuntu1.1 |
glib2.0Ubuntu:16.04:LTS From an advisory covering 2 CVEs |
before 2.48.2-0ubuntu4.1, plus listed versions 2.46.1-12.46.1-22.47.1-12.47.3-32.47.4-1 Show 8 moreShow less2.47.5-12.47.6-12.48.0-1ubuntu32.48.0-1ubuntu42.48.1-1~ubuntu16.04.12.48.2-0ubuntu12.48.2-0ubuntu32.48.2-0ubuntu4 |
2.48.2-0ubuntu4.1 |
glib2.0Ubuntu:18.04:LTS From an advisory covering 2 CVEs |
before 2.56.2-0ubuntu0.18.04.2, plus listed versions 2.54.1-1ubuntu12.55.2-2ubuntu12.56.0-2ubuntu12.56.0-4ubuntu12.56.1-2ubuntu12.56.2-0ubuntu0.18.04.1 |
2.56.2-0ubuntu0.18.04.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-16429 is a high vulnerability (CVSS 7.5) in Gnome Glib, published September 3, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.53%, the 89th percentile. Fixed in glib2.0 2.58.0-1.
References
gitlab.gnome.org/GNOME/glib/issues/1361
usn.ubuntu.com/3767-1
gitlab.gnome.org/GNOME/glib/commit/cec71705406f0b2790422f0c1aa0ff3b4b464b1b
usn.ubuntu.com/3767-2
lists.debian.org/debian-lts-announce/2019/07/msg00029.html
lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
Show 30 moreShow less
lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2018-16429
lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
github.com/advisories/GHSA-x96r-v34q-q4vv
docs.bell-sw.com/security/cves/CVE-2018-16429
security-tracker.debian.org/tracker/CVE-2018-16429
advisories.mageia.org/MGASA-2018-0405.html
bugs.mageia.org/show_bug.cgi?id=23665
suse.com/support/update/announcement/2018/suse-su-20183913-1
bugzilla.suse.com/1107116
bugzilla.suse.com/1107121
bugzilla.suse.com/1111499
suse.com/security/cve/CVE-2018-16428
suse.com/security/cve/CVE-2018-16429
suse.com/support/update/announcement/2018/suse-su-20183966-1
suse.com/support/update/announcement/2019/suse-su-20191596-1
bugzilla.suse.com/1137001
suse.com/security/cve/CVE-2019-12450
suse.com/support/update/announcement/2019/suse-su-20191722-1
bugzilla.suse.com/1061599
ubuntu.com/security/CVE-2018-16429
ubuntu.com/security/notices/USN-3767-1
ubuntu.com/security/notices/USN-3767-2
cve.org/CVERecord?id=CVE-2018-16429
ubuntu.com/security/CVE-2018-16428
suse.com/security/cve/CVE-2008-2371
suse.com/security/cve/CVE-2020-6750
suse.com/security/cve/CVE-2021-27218
suse.com/security/cve/CVE-2021-27219