Is CVE-2008-5363 in the CISA KEV catalog?

No. CVE-2008-5363 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2008-5363?

CVE-2008-5363 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2008-5363?

CVE-2008-5363 has an EPSS score of 3.72% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2008-5363?

Upgrade Adobe AIR to 1.5 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2008-5363

MEDIUMEPSS 88th pctl

4.3

CVSS v2

NVD

Description

The ActionScript 2 virtual machine in Adobe Flash Player 10.x before 10.0.12.36 and 9.x before 9.0.151.0, and Adobe AIR before 1.5, does not validate character elements during retrieval from the dictionary data structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted PDF file.

CWE-399Resource Management Errors

How to fix

Remediation Available

Adobe AIRWindows application

Affected:1.5Fixed in:1.5HARMAN International

Clean Flash Player 34.0.0.330 InstallerWindows application

Affected:9.0.16.0 9.0.151.0Fixed in:9.0.151.0

Affected:10 10.0.12.36Fixed in:10.0.12.36

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

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

3.72%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Patch1

adobe.com

Third-Party Advisory7

Other references1

sunsolve.sun.com

Related Vulnerabilities

Other CWE-399 (Resource Management Errors) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2009-3103	High	10.0	90%	-	-
CVE-2009-0075	High	9.3	85%	-	-
CVE-2005-1790	Low	2.6	83%	-	-
CVE-2010-0806	High	8.8	82%	KEV	-
CVE-2009-2526	High	7.8	82%	-	-
CVE-2015-1868	High	7.8	82%	-	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 2026-04-23.