CVE-2023-32611

G_variant_byteswap() can take a long time with some non-normal inputs

Description

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

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
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 Extra Packages for Enterprise Linux
Affected: Fedora Fedora 38
Affected: Fedora Fedora 37
Affected: Fedora Fedora 37
Affected: Fedora Fedora 38
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2023-32611 third party advisory vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2211829 third party advisory issue tracking
https://gitlab.gnome.org/GNOME/glib/-/issues/2797 vendor advisory
https://lists.debian.org/debian-lts-announce/2023/09/msg00030.html
https://security.netapp.com/advisory/ntap-20231027-0005/
https://security.gentoo.org/glsa/202311-18

Frequently Asked Questions

What is the severity of CVE-2023-32611?
CVE-2023-32611 has been scored as a medium severity vulnerability.
How to fix CVE-2023-32611?
To fix CVE-2023-32611, 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-2023-32611 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-32611 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-2023-32611?
CVE-2023-32611 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 Extra Packages for Enterprise Linux, Fedora Fedora 38, Fedora Fedora 37, Fedora Fedora 37, Fedora Fedora 38.
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