In GNOME GLib 2.56.1, g_markup_parse_context_end_parse() in gmarkup.c has a NULL pointer dereference.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-16428 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.1 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Local |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | firefox | Will not fix |
| Red Hat Enterprise Linux 7 | thunderbird | Will not fix |
| Red Hat Enterprise Linux 7 | glib2 | Affected |
| Red Hat Enterprise Linux 6 | firefox | Will not fix |
| Red Hat Enterprise Linux 6 | thunderbird | Will not fix |
| Red Hat Enterprise Linux 6 | glib2 | Will not fix |
| Red Hat Enterprise Linux 5 | firefox | Will not fix |
| Red Hat Enterprise Linux 5 | glib2 | Will not fix |
Vulmon