CVE-2008-4821

Adobe Flash Player 9.0.124.0 and earlier, when a Mozilla browser is used, does not properly...

4.3 Medium

Adobe Flash Player 9.0.124.0 and earlier, when a Mozilla browser is used, does not properly interpret jar: URLs, which allows attackers to obtain sensitive information via unknown vectors.

Exploit likelihood

6.46%Up 3.8 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Adobe Flash Player 9.0.124.0 and earlier, when a Mozilla browser is used, does not properly interpret jar: URLs, which allows attackers to obtain sensitive information via unknown vectors.

Record: CVE-2008-4821
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

CVE List No score

Adobe Flash Player 9.0.124.0 and earlier, when a Mozilla browser is used, does not properly interpret jar: URLs, which allows attackers to obtain sensitive information via unknown vectors.

Record: CVE-2008-4821
Updated: 2026-11-02

EUVDEUVD-2008-4800 No score

Adobe Flash Player 9.0.124.0 and earlier, when a Mozilla browser is used, does not properly interpret jar: URLs, which allows attackers to obtain sensitive information via unknown vectors.

Record: EUVD-2008-4800
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r68f-43vp-85x9 No score

Adobe Flash Player 9.0.124.0 and earlier, when a Mozilla browser is used, does not properly...

Adobe Flash Player 9.0.124.0 and earlier, when a Mozilla browser is used, does not properly interpret jar: URLs, which allows attackers to obtain sensitive information via unknown vectors.

Record: GHSA-r68f-43vp-85x9
Weakness: CWE-200
Updated: 2026-11-02

Affected products

adobe flash player

Affected packages

Affected packages
Package	Affected	Fixed
`flash-plugin` Red Hat:rhel_extras:5::client From an advisory covering 14 CVEs	before 0:10.0.12.36-2.el5	0:10.0.12.36-2.el5
`flash-plugin` Red Hat:rhel_extras:5::server From an advisory covering 14 CVEs	before 0:10.0.12.36-2.el5	0:10.0.12.36-2.el5
`flash-plugin` Red Hat:rhel_extras:3 From an advisory covering 14 CVEs	before 0:9.0.151.0-1.el3.with.oss	0:9.0.151.0-1.el3.with.oss
`flash-plugin` Red Hat:rhel_extras:4 From an advisory covering 14 CVEs	before 0:9.0.151.0-1.el4	0:9.0.151.0-1.el4

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2008-4821 is a medium vulnerability (CVSS 4.3) in Adobe Flash Player, published November 10, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.46%, the 93rd percentile. No source names a fixed version.

References

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