Ubuntu Security Notice 6768-1 - Alicia Boya GarcĂa discovered that GLib incorrectly handled signal subscriptions. A local attacker could use this issue to spoof D-Bus signals resulting in a variety of impacts including possible privilege escalation.
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Debian Linux Security Advisory 5682-1 - Alicia Boya Garcia reported that the GDBus signal subscriptions in the GLib library are prone to a spoofing vulnerability. A local attacker can take advantage of this flaw to cause a GDBus-based client to behave incorrectly, with an application-dependent impact.
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