Flex vulnerabilitiesRanked by how likely they are to be used.

Product2 versions
The short answer

Flex is made by Adobe. We track 15 published vulnerabilities listed under that exact name, across 2 versions. None of them is on the list of flaws known to be exploited today. Adobe lists newer releases under their own names, such as Flex SDK, so check those pages too.

See the riskiest flaws

We keep watching the known-exploited list.

Other names

Is Flex listed under other names? Yes.

Adobe also lists Flex under more specific names, such as Flex SDK and Flex Builder. Flaws listed only under those names are counted on their own pages, not here. If you run one of these, open its page for its own exploited flaws.

Known exploited

Which Flex vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Flex's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Flex flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 60%

    Adobe Flash Player 9.0.115.0 and earlier, and 8.0.39.0 and earlier, allows remote attackers to execute arbitrary code via an SWF file with a modified DeclareFunction2 Actionscript tag, which prevents an object from...

    CVSS9.3Published9 Apr 2008
  2. 28%

    Adobe Flash Player 9.x before 9.0.159.0 and 10.x before 10.0.22.87 does not properly remove references to destroyed objects during Shockwave Flash file processing, which allows remote attackers to execute arbitrary...

    CVSS9.3Published26 Feb 2009
  3. 21%

    Heap-based buffer overflow in Adobe Flash Player before 9.0.246.0 and 10.x before 10.0.32.18, and Adobe AIR before 1.5.2, allows attackers to cause a denial of service (application crash) or possibly execute...

    CVSS9.3Published31 Jul 2009
  4. 20%

    Integer overflow in the ActionScript Virtual Machine 2 (AVM2) abcFile parser in Adobe Flash Player before 9.0.246.0 and 10.x before 10.0.32.18, and Adobe AIR before 1.5.2, allows attackers to cause a denial of...

    CVSS9.3Published31 Jul 2009
  5. 15%

    Unspecified vulnerability in Adobe Flash Player 9.x before 9.0.159.0 and 10.x before 10.0.22.87 allows remote attackers to cause a denial of service (browser crash) or possibly execute arbitrary code via a crafted...

    CVSS9.3Published26 Feb 2009
  6. 7.3%

    Stack-based buffer overflow in Adobe Flash Player before 9.0.246.0 and 10.x before 10.0.32.18, and Adobe AIR before 1.5.2, allows attackers to cause a denial of service (application crash) or possibly execute...

    CVSS9.3Published31 Jul 2009
  7. 7.3%

    Heap-based buffer overflow in Adobe Flash Player before 9.0.246.0 and 10.x before 10.0.32.18, and Adobe AIR before 1.5.2, allows attackers to cause a denial of service (application crash) or possibly execute...

    CVSS9.3Published31 Jul 2009
  8. 6.0%

    Unspecified vulnerability in Adobe Flash Player before 9.0.246.0 and 10.x before 10.0.32.18, and Adobe AIR before 1.5.2, allows attackers to cause a denial of service (application crash) or possibly execute arbitrary...

    CVSS9.3Published31 Jul 2009
  9. 6.0%

    Adobe Flash Player before 9.0.246.0 and 10.x before 10.0.32.18, and Adobe AIR before 1.5.2, allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via unspecified...

    CVSS9.3Published31 Jul 2009
  10. 4.9%

    Unspecified vulnerability in Adobe Flash Player 9.0.115.0 and earlier, and 8.0.39.0 and earlier, makes it easier for remote attackers to conduct DNS rebinding attacks via unknown vectors.

    CVSS4.3Published9 Apr 2008
Precursor Intelligence

Running Flex? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

Common questions, answered plainly.

Something else? Talk to the team →

We track 15 published vulnerabilities listed under the name Flex, across 2 versions.

None of Flex's vulnerabilities is on the list of flaws known to be exploited today.

Adobe also lists Flex under more specific names, such as Flex SDK and Flex Builder. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.

Create a Precursor Intelligence account and track Flex. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.