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CVE-2011-2456

35
FAUCET Score

CVE-2011-2456 describes a critical buffer overflow vulnerability in Adobe Flash Player and Adobe AIR, impacting Windows, Mac OS X, Linux, Solaris, and Android platforms. With a CVSS score of 10.0, this vulnerability allows unauthenticated, remote attackers to execute arbitrary code with high confidentiality, integrity, and availability impact. While the vulnerability is severe, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting it is not currently a high-profile threat.

Impacted Technologies

VendorProductVersion(s)CPE
>= 10.0, < 10.3.183.11CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
>= 11.0, < 11.1.102.55CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
>= 11.0, < 11.1.102.59CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
>= 3.0, < 3.1.0.4880CPE matchmatch criteria
cpe:2.3:a:adobe:adobe_air:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.96%
Probability of exploitation in next 30 days
EPSS Percentile
94.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0896 is in the 91st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

adobepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: flash-plugin-0:10.3.183.11-1.el6
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: flash-plugin-0:10.3.183.11-1.el5
View patch

Vendor Advisories (1)

redhatCVE-2011-2456Critical

flash-plugin: mulitple code execution flaws (APSB11-28)

Nov 10, 2011

References

lists.opensuse.org / opensuse-security-announce/2011-11/msg00014.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2011-11/msg00017.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2011-11/msg00019.html
Mailing ListThird Party Advisory
secunia.com / advisories/48819
Third Party Advisory
security.gentoo.org / glsa/glsa-201204-07.xml
Third Party Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14215
Third Party Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16046
Third Party Advisory
adobe.com / support/security/bulletins/apsb11-28.html
PatchVendor Advisory
redhat.com / support/errata/RHSA-2011-1445.html
Third Party Advisory