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Vulnerability · Published Sep 14, 2023 · Assigned by redhat

CVE-2023-32611G_variant_byteswap() can take a long time with some non-normal inputs

Medium 5.5

In plain English

A medium-severity uncontrolled resource consumption in Extra Packages for Enterprise Linux from Fedora. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.4%top 69.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9glib22.68.4-11.el9ALSA-2023:6631
AlmaLinux:9glib2-devel2.68.4-11.el9ALSA-2023:6631
AlmaLinux:9glib2-doc2.68.4-11.el9ALSA-2023:6631
AlmaLinux:9glib2-static2.68.4-11.el9ALSA-2023:6631
AlmaLinux:9glib2-tests2.68.4-11.el9ALSA-2023:6631
AlmaLinux:9mingw32-glib22.78.0-1.el9ALSA-2024:2528
AlmaLinux:9mingw32-glib2-static2.78.0-1.el9ALSA-2024:2528
AlmaLinux:9mingw64-glib22.78.0-1.el9ALSA-2024:2528
AlmaLinux:9mingw64-glib2-static2.78.0-1.el9ALSA-2024:2528
Debian:12glib2.02.74.4-1DEBIAN-CVE-2023-32611
Debian:13glib2.02.74.4-1DEBIAN-CVE-2023-32611
Debian:14glib2.02.74.4-1DEBIAN-CVE-2023-32611
Ubuntu:22.04:LTSglib2.02.72.4-0ubuntu2.2USN-6165-1
Ubuntu:22.04:LTSglib2.02.72.4-0ubuntu2.2UBUNTU-CVE-2023-32611

Affected products (as reported)

VendorProductVersions
n/a glib2 see references
Red Hat Red Hat Enterprise Linux 6 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 9 see references
Fedora Extra Packages for Enterprise Linux see references
Fedora Fedora 38 see references
Fedora Fedora 37 see references
Fedora Fedora 37 see references
Fedora Fedora 38 see references

Weakness: CWE-400 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References