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Flash PlayerApplication · Adobe

CVE-2012-5279

HIGH · 10.0 CVSS v2.0 Published 2012-11-07
Fix available
A fix is available. Upgrade to 3.5.0.600 / 10.3.183.43 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Adobe Flash Player before 10.3.183.43 and 11.x before 11.5.502.110 on Windows and Mac OS X, before 10.3.183.43 and 11.x before 11.2.202.251 on Linux, before 11.1.111.24 on Android 2.x and 3.x, and before 11.1.115.27 on Android 4.x; Adobe AIR before 3.5.0.600; and Adobe AIR SDK before 3.5.0.600 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis
How this class of weakness works · CWE-119

The program reads or writes outside the bounds of an allocated buffer, corrupting adjacent memory. With crafted input an attacker can overwrite control data and, with effort, redirect execution to their own code. Remediation ranges from bounds checking and safe library functions to compiler mitigations, usually alongside a careful audit of the surrounding code.

General guidance for the memory buffer bounds error class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Flash PlayerApplication
Affected:>= 10.3, < 10.3.183.43>= 11.4, < 11.5.502.110>= 11.2, < 11.2.202.251>= 11.1, < 11.1.111.24>= 11.1, < 11.1.115.27
AirApplication
Affected:< 3.5.0.600
Air SdkApplication
Affected:< 3.5.0.600

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

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

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 3.5.0.600 / 10.3.183.43 / 11.1.111.24 or later
Fixed in 3.5.0.60010.3.183.4311.1.111.24
Vendor patch www.adobe.com →
Recommended fix High confidence

Flash Player 10.3.183.43 / 11.5.502.110 / 11.2.202.251 / 11.1.111.24 / 11.1.115.27; AIR 3.5.0.600; AIR SDK 3.5.0.600

  1. 1. Identify the currently installed Adobe Flash Player version by navigating to 'About Flash Player' in the Help menu, or visiting 'about:flash' in the browser
  2. 2. Identify the currently installed Adobe AIR version from the Windows Control Panel or Mac Applications folder
  3. 3. For Flash Player: Download the appropriate fixed version from Adobe based on your platform and current version line - 10.3.183.43, 11.5.502.110 (Windows/Mac), 11.2.202.251 (Linux), or 11.1.111.24/11.1.115.27 (Android)
  4. 4. For Adobe AIR: Download and install version 3.5.0.600 or later from the Adobe AIR download page
  5. 5. For Adobe AIR SDK: Download SDK version 3.5.0.600 or later from the Adobe AIR SDK downloads
  6. 6. Restart any browsers and applications that use Flash Player or AIR after installation
  7. 7. Verify the installed version matches or exceeds the fixed versions listed in the bulletin
Caveat Flash Player upgrades may cause compatibility issues with older Flash content or require browser plugin re-enablement

Generated from the published advisory — verify against the referenced sources before acting.

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $3,200. Get the upgrade done

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2012-5279 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
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