CVE-2011-0611

HIGHNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
8.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 99%CVSS: 8.8Exploit: NoneExposed: 0

A fix is available — apply it.

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.

CVSS v3
8.8
EG Score
9.0(high)
EPSS
99.9%
KEV
⚠ Exploited

Published

April 13, 2011

Last Modified

April 21, 2026

Advisory Details (9)

Auto-updated May 2, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

Adobe Flash Player 10.2.153.1 SWF Memory Corruption Vulnerability - CXSecurity.com

http://securityreason.com/securityalert/8204
generic

Security

http://secunia.com/blog/210/
generic

About Secunia Research | Flexera

http://secunia.com/advisories/44149
generic

About Secunia Research | Flexera

http://secunia.com/advisories/44141
generic

About Secunia Research | Flexera

http://secunia.com/advisories/44119
generic

Chrome Releases: Stable Channel Update

http://googlechromereleases.blogspot.com/2011/04/stable-channel-update.html
generic

contagio: Apr. 8 CVE-2011-0611 Flash Player Zero day - SWF in DOC/ XLS - Disentangling Industrial Policy..

http://contagiodump.blogspot.com/2011/04/apr-8-cve-2011-0611-flash-player-zero.html
generic

BugiX - Security Research: CVE-2011-0611 Adobe Flash Zero Day embeded in DOC

http://bugix-security.blogspot.com/2011/04/cve-2011-0611-adobe-flash-zero-day.html
generic

Archived MSDN and TechNet Blogs | Microsoft Learn

http://blogs.technet.com/b/mmpc/archive/2011/04/12/analysis-of-the-cve-2011-0611-adobe-flash-player-vulnerability-exploitation.aspx

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatflash-plugin-0:10.2.159.1-1.el52011-04-18redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 90× in last 7d / 391× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 728 total refreshes for this CVE.

  1. 2026-07-22 16:58 UTCVendor advisory
  2. 2026-07-22 16:58 UTCGHSA enrichment
  3. 2026-07-22 13:07 UTCVendor advisory
  4. 2026-07-22 13:07 UTCGHSA enrichment
  5. 2026-07-22 09:20 UTCVendor advisory
  6. 2026-07-22 09:20 UTCGHSA enrichment
  7. 2026-07-22 05:33 UTCVendor advisory
  8. 2026-07-22 05:33 UTCGHSA enrichment
  9. 2026-07-22 01:35 UTCVendor advisory
  10. 2026-07-22 01:35 UTCGHSA enrichment
  11. 2026-07-21 18:50 UTCVendor advisory
  12. 2026-07-21 18:50 UTCGHSA enrichment
  13. 2026-07-21 15:03 UTCVendor advisory
  14. 2026-07-21 15:02 UTCGHSA enrichment
  15. 2026-07-21 14:37 UTCCISA KEV update
  16. 2026-07-21 11:14 UTCVendor advisory
  17. 2026-07-21 11:14 UTCGHSA enrichment
  18. 2026-07-21 07:25 UTCVendor advisory
  19. 2026-07-21 07:25 UTCGHSA enrichment
  20. 2026-07-21 03:37 UTCVendor advisory
  21. 2026-07-21 03:37 UTCGHSA enrichment
  22. 2026-07-20 23:49 UTCVendor advisory
  23. 2026-07-20 23:49 UTCGHSA enrichment
  24. 2026-07-20 20:01 UTCVendor advisory
  25. 2026-07-20 20:01 UTCGHSA enrichment
Show 75 more
  1. 2026-07-20 16:14 UTCVendor advisory
  2. 2026-07-20 16:13 UTCGHSA enrichment
  3. 2026-07-20 12:25 UTCVendor advisory
  4. 2026-07-20 12:25 UTCGHSA enrichment
  5. 2026-07-20 08:38 UTCVendor advisory
  6. 2026-07-20 08:38 UTCGHSA enrichment
  7. 2026-07-20 04:51 UTCVendor advisory
  8. 2026-07-20 04:51 UTCGHSA enrichment
  9. 2026-07-20 01:03 UTCVendor advisory
  10. 2026-07-19 21:14 UTCVendor advisory
  11. 2026-07-19 21:14 UTCGHSA enrichment
  12. 2026-07-19 17:27 UTCVendor advisory
  13. 2026-07-19 17:27 UTCGHSA enrichment
  14. 2026-07-19 13:40 UTCVendor advisory
  15. 2026-07-19 13:40 UTCGHSA enrichment
  16. 2026-07-19 09:53 UTCVendor advisory
  17. 2026-07-19 09:53 UTCGHSA enrichment
  18. 2026-07-19 06:05 UTCVendor advisory
  19. 2026-07-19 06:05 UTCGHSA enrichment
  20. 2026-07-19 02:17 UTCVendor advisory
  21. 2026-07-19 02:17 UTCGHSA enrichment
  22. 2026-07-18 22:30 UTCVendor advisory
  23. 2026-07-18 22:30 UTCGHSA enrichment
  24. 2026-07-18 18:43 UTCVendor advisory
  25. 2026-07-18 18:43 UTCGHSA enrichment
  26. 2026-07-18 14:56 UTCVendor advisory
  27. 2026-07-18 14:55 UTCGHSA enrichment
  28. 2026-07-18 11:07 UTCVendor advisory
  29. 2026-07-18 11:07 UTCGHSA enrichment
  30. 2026-07-18 07:19 UTCVendor advisory
  31. 2026-07-18 07:19 UTCGHSA enrichment
  32. 2026-07-18 03:32 UTCVendor advisory
  33. 2026-07-18 03:31 UTCGHSA enrichment
  34. 2026-07-17 23:44 UTCVendor advisory
  35. 2026-07-17 23:44 UTCGHSA enrichment
  36. 2026-07-17 19:57 UTCVendor advisory
  37. 2026-07-17 19:57 UTCGHSA enrichment
  38. 2026-07-17 16:09 UTCVendor advisory
  39. 2026-07-17 16:09 UTCGHSA enrichment
  40. 2026-07-17 12:22 UTCVendor advisory
  41. 2026-07-17 12:21 UTCGHSA enrichment
  42. 2026-07-17 08:33 UTCEG score recompute
  43. 2026-07-17 08:33 UTCVendor advisory
  44. 2026-07-17 08:33 UTCGHSA enrichment
  45. 2026-07-17 04:46 UTCVendor advisory
  46. 2026-07-17 04:46 UTCGHSA enrichment
  47. 2026-07-17 00:59 UTCVendor advisory
  48. 2026-07-17 00:59 UTCGHSA enrichment
  49. 2026-07-16 21:11 UTCVendor advisory
  50. 2026-07-16 21:11 UTCGHSA enrichment
  51. 2026-07-16 17:23 UTCVendor advisory
  52. 2026-07-16 17:23 UTCGHSA enrichment
  53. 2026-07-16 17:04 UTCCISA KEV update
  54. 2026-07-16 13:35 UTCVendor advisory
  55. 2026-07-16 13:35 UTCGHSA enrichment
  56. 2026-07-16 09:48 UTCVendor advisory
  57. 2026-07-16 09:48 UTCGHSA enrichment
  58. 2026-07-16 06:01 UTCVendor advisory
  59. 2026-07-16 06:01 UTCGHSA enrichment
  60. 2026-07-16 02:14 UTCVendor advisory
  61. 2026-07-16 02:14 UTCGHSA enrichment
  62. 2026-07-15 22:27 UTCVendor advisory
  63. 2026-07-15 22:27 UTCGHSA enrichment
  64. 2026-07-15 18:39 UTCVendor advisory
  65. 2026-07-15 18:39 UTCGHSA enrichment
  66. 2026-07-15 16:49 UTCCISA KEV update
  67. 2026-07-15 15:04 UTCCISA KEV update
  68. 2026-07-15 14:48 UTCVendor advisory
  69. 2026-07-15 14:48 UTCGHSA enrichment
  70. 2026-07-15 11:00 UTCVendor advisory
  71. 2026-07-15 10:59 UTCGHSA enrichment
  72. 2026-07-15 07:12 UTCVendor advisory
  73. 2026-07-15 07:11 UTCGHSA enrichment
  74. 2026-07-15 03:24 UTCVendor advisory
  75. 2026-07-15 03:24 UTCGHSA enrichment

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-17473✓ verified
    First seen Jul 3, 2011

    Adobe Reader X 10.0.0 < 10.0.1 - Atom Type Confusion

    Open source ↗
  • Exploit-DBEDB-17175✓ verified
    First seen Apr 16, 2011

    Adobe Flash Player 10.2.153.1 - SWF Memory Corruption (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/browser/adobe_flashplayer_flash10o✓ verified
    First seen Apr 11, 2011

    Adobe Flash Player 10.2.153.1 SWF Memory Corruption Vulnerability

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2011-0611?
CVE-2011-0611 is a high vulnerability published on April 13, 2011. 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…
When was CVE-2011-0611 disclosed?
CVE-2011-0611 was first published in the National Vulnerability Database on April 13, 2011, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-0611 actively exploited?
Yes. CISA added CVE-2011-0611 to the Known Exploited Vulnerabilities catalog on March 3, 2022, affecting Adobe Flash Player. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2011-0611?
CVE-2011-0611 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2011-0611?
CVE-2011-0611 affects Adobe Flash Player. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2011-0611?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-0611, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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