CVE-2011-0621

Adobe Flash Player before 10.3.181.14 on Windows, Mac OS X, Linux, and Solaris and before 10.3...

9.3 HighFix available

Adobe Flash Player before 10.3.181.14 on Windows, Mac OS X, Linux, and Solaris and before 10.3.185.21 on Android allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2011-0619, CVE-2011-0620, and CVE-2011-0622.

Exploit likelihood

3.88%Up 0.4 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Record: CVE-2011-0621
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-0621
Updated: 2026-11-02

EUVDEUVD-2011-0639 No score

Record: EUVD-2011-0639
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cmf2-rch9-58q9 No score

Adobe Flash Player before 10.3.181.14 on Windows, Mac OS X, Linux, and Solaris and before 10.3...

Record: GHSA-cmf2-rch9-58q9
Weakness: CWE-119
Updated: 2026-11-02

Affected products

adobe flash player

Affected packages

Affected packages
Package	Affected	Fixed
`flash-plugin` Red Hat:rhel_extras:5::client	before 0:10.3.181.14-1.el5	0:10.3.181.14-1.el5
`flash-plugin` Red Hat:rhel_extras:5::server	before 0:10.3.181.14-1.el5	0:10.3.181.14-1.el5
`flash-plugin` Red Hat:rhel_extras:6	before 0:10.3.181.14-1.el6	0:10.3.181.14-1.el6

History

History
Recorded	Changed	Sources
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-2011-0621 is a high vulnerability (CVSS 9.3) in Adobe Flash Player, published May 13, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.88%, the 90th percentile. Fixed in flash-plugin 0:10.3.181.14-1.el5.

References

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