CVE & CISA-KEV Catalog

CVE-2021-42528

MEDIUMEPSS 76th pctl
5.5
CVSS v3
NVD

Description

XMP Toolkit 2021.07 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

How to fix

Remediation Available
exempiDebian
Fixed in:2.5.2-1+deb11u1CVE-2021-42528
Fixed in:2.6.0-1CVE-2021-42528
Fixed in:2.6.0-1CVE-2021-42528
Fixed in:2.6.0-1CVE-2021-42528
exempiUbuntu
Fixed in:2.4.5-2ubuntu0.1USN-5483-1
Fixed in:2.5.1-1ubuntu0.1USN-5483-1
Fixed in:2.5.2-1ubuntu0.22.04.1USN-5483-1
libexempi3Ubuntu
Fixed in:2.4.5-2ubuntu0.1USN-5483-1
libexempi8Ubuntu
Fixed in:2.5.1-1ubuntu0.1USN-5483-1
Fixed in:2.5.2-1ubuntu0.22.04.1USN-5483-1

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

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

1.82%probability of exploitation in 30 days
76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1
Other references1

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-21758High7.592%-Fix
CVE-2023-21547High7.588%-Fix
CVE-2014-3470Medium4.386%-Fix
CVE-2021-44224High8.282%-Fix
CVE-2016-0742High7.582%-Fix
CVE-2009-1386Medium5.080%-Fix
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Markdown

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HTML

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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.