Is CVE-2023-52168 in the CISA KEV catalog?

No. CVE-2023-52168 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-52168?

CVE-2023-52168 has a CVSS v3 base score of 8.4 (HIGH).

What is the EPSS score for CVE-2023-52168?

CVE-2023-52168 has an EPSS score of 0.34% (26th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-52168?

Upgrade 7zip on debian 12 to 22.01+dfsg-8+deb12u1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2023-52168

HIGH

8.4

CVSS v3

NVD

Description

The NtfsHandler.cpp NTFS handler in 7-Zip before 24.01 (for 7zz) contains a heap-based buffer overflow that allows an attacker to overwrite two bytes at multiple offsets beyond the allocated buffer size: buffer+512*i-2, for i=9, i=10, i=11, etc.

CWE-122Heap-based Buffer Overflow

How to fix

Remediation Available

7zipDebian

Fixed in:22.01+dfsg-8+deb12u1CVE-2023-52168

Fixed in:24.05+dfsg-1CVE-2023-52168

7zipUbuntu

Fixed in:21.07+dfsg-4ubuntu0.1~esm1USN-7438-1

Fixed in:23.01+dfsg-11ubuntu0.1~esm1USN-7438-1

7zip-standaloneUbuntu

Fixed in:23.01+dfsg-11ubuntu0.1~esm1USN-7438-1

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.34%probability of exploitation in 30 days

26thpercentile

Low risk: more likely to be exploited than 26% of all known CVEs.

References

Other references5

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 2025-11-03.