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No exploitation reportedFix available

CVE-2018-16429

No exploitation reported by the sources we read.

  • Published2018-09-04
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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().

Timeline

dates in UTC
  1. 2018-09-0400:29CVE publishedNVD

Versions per branch

NVD
Canonical ubuntu linux
BranchAffectedFixed in
12.4= 12.04no fix published
14.4= 14.04no fix published
16.4= 16.04no fix published
18.4= 18.04no fix published
Gnome glib
BranchAffectedFixed in
2.56= 2.56.1no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • glib2SUSE:Studio Onsite 1.3all versions · fixed in 2.22.5-0.8.36.1
  • glib2SUSE:OpenStack Cloud 7all versions · fixed in 2.48.2-12.12.2
  • glib2SUSE:Linux Enterprise Workstation Extension 12 SP4all versions · fixed in 2.48.2-12.12.2
  • glib2SUSE:Linux Enterprise Workstation Extension 12 SP3all versions · fixed in 2.48.2-12.12.2
  • glib2SUSE:Linux Enterprise Software Development Kit 12 SP4all versions · fixed in 2.48.2-12.12.2
  • glib2SUSE:Linux Enterprise Software Development Kit 12 SP3all versions · fixed in 2.48.2-12.12.2
  • glib2SUSE:Linux Enterprise Software Development Kit 11 SP4all versions · fixed in 2.22.5-0.8.36.1
  • glib2SUSE:Linux Enterprise Server for SAP Applications 12 SP4all versions · fixed in 2.48.2-12.12.2

23 more package ranges on OSV.dev

Vendor advisories

  • CVE-2018-16429 Red Hat Product Security22 known affected

    glib2: Out-of-bounds read in g_markup_parse_context_parse() in gmarkup.c

    firefox as a component of Red Hat Enterprise Linux 5 · glib2 as a component of Red Hat Enterprise Linux 5 · firefox as a component of Red Hat Enterprise Linux 6 · +19 more

Full record on NVD

Fix

  1. Workaround from the vendor Red Hat Product Security CVE-2018-16429 · 33 productsSince the only affected code in this flaw is g_markup_parse_context_parse(), any application (compiled with glib2) which does not use this function or any other function which calls this vulnerable code, is not affected by this flaw.
  2. No fix available, says the vendor Red Hat Product Security CVE-2018-16429 · 7 productsFix deferred
  3. No fix planned, says the vendor Red Hat Product Security CVE-2018-16429 · 15 productsWill not fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2018-09-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-x96r-v34q-q4vv

Frequently asked questions

What is CVE-2018-16429?

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().

Is CVE-2018-16429 actively exploited?

Active exploitation of CVE-2018-16429 has not been confirmed. Its EPSS score was 3.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-16429?

CVE-2018-16429 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record