Is CVE-2023-32643 in the CISA KEV catalog?

No. CVE-2023-32643 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-32643?

CVE-2023-32643 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2023-32643?

CVE-2023-32643 has an EPSS score of 0.40% (32th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-32643?

Upgrade glib2.0 on ubuntu 14.04 to 2.40.2-0ubuntu1.1+esm6 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2023-32643

MEDIUM

5.3

CVSS v3

NVD

Description

A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-32665.

CWE-122Heap-based Buffer Overflow CWE-787Out-of-bounds Write

How to fix

Remediation Available

glib2.0Ubuntu

Fixed in:2.40.2-0ubuntu1.1+esm6USN-6165-2

Fixed in:2.48.2-0ubuntu4.8+esm3USN-6165-2

Fixed in:2.56.4-0ubuntu0.18.04.9+esm3USN-6165-2

Fixed in:2.64.6-1~ubuntu20.04.6USN-6165-1

Fixed in:2.72.4-0ubuntu2.2USN-6165-1

Fixed in:2.74.3-0ubuntu1.2USN-6165-1

libglib2.0-0Ubuntu

Fixed in:2.40.2-0ubuntu1.1+esm6USN-6165-2

Fixed in:2.48.2-0ubuntu4.8+esm3USN-6165-2

Fixed in:2.56.4-0ubuntu0.18.04.9+esm3USN-6165-2

Fixed in:2.64.6-1~ubuntu20.04.6USN-6165-1

Fixed in:2.72.4-0ubuntu2.2USN-6165-1

Fixed in:2.74.3-0ubuntu1.2USN-6165-1

libglib2.0-binUbuntu

Fixed in:2.40.2-0ubuntu1.1+esm6USN-6165-2

Fixed in:2.48.2-0ubuntu4.8+esm3USN-6165-2

Fixed in:2.56.4-0ubuntu0.18.04.9+esm3USN-6165-2

Fixed in:2.64.6-1~ubuntu20.04.6USN-6165-1

Fixed in:2.72.4-0ubuntu2.2USN-6165-1

Fixed in:2.74.3-0ubuntu1.2USN-6165-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Exploit Intelligence

0.40%probability of exploitation in 30 days

32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Vendor Advisory1

gitlab.gnome.org

Other references2

Related Vulnerabilities

Other CWE-122 (Heap-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2024-26256	High	7.8	88%	-	Fix
CVE-2020-25687	Medium	5.9	87%	-	Fix
CVE-2009-3459	High	8.8	86%	KEV	Fix
CVE-2021-21017	High	8.8	86%	KEV	-
CVE-2020-25683	Medium	5.9	86%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.