CVE-2023-32665

Gvariant deserialisation does not match spec for non-normal data

Description

A flaw was found in GLib. GVariant deserialization is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing, leading to denial of service.

Categories

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.06%
Vendor Advisory gnome.org
Affected: n/a glib2
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Fedora Fedora 38
Affected: Fedora Extra Packages for Enterprise Linux
Affected: Fedora Fedora
Affected: Fedora Fedora 37
Affected: Fedora Fedora 38
Affected: Fedora Fedora 37
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2023-32665 vdb entry third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2211827 issue tracking third party advisory
https://gitlab.gnome.org/GNOME/glib/-/issues/2121 vendor advisory
https://lists.debian.org/debian-lts-announce/2023/09/msg00030.html
https://security.gentoo.org/glsa/202311-18
https://security.netapp.com/advisory/ntap-20240426-0006/

Frequently Asked Questions

What is the severity of CVE-2023-32665?
CVE-2023-32665 has been scored as a medium severity vulnerability.
How to fix CVE-2023-32665?
To fix CVE-2023-32665, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-32665 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-32665 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-32665?
CVE-2023-32665 affects n/a glib2, Red Hat Red Hat Enterprise Linux 6, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 9, Fedora Fedora 38, Fedora Extra Packages for Enterprise Linux, Fedora Fedora, Fedora Fedora 37, Fedora Fedora 38, Fedora Fedora 37.
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