How severe is CVE-2015-7643?

CVE-2015-7643 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2015-7643 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-7643?

CVE-2015-7643 primarily affects Adobe Flash Player. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-7643?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-7643 published?

CVE-2015-7643 was published on 2015-10-15 and last updated on 2026-06-17.

CVE-2015-7643

CVE-2015-7643 is a critical-severity vulnerability in Adobe Flash Player with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Adobe Flash Player
Published: 2015-10-15
Last modified: 2026-06-17

Description

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.252 and 19.x before 19.0.0.207 on Windows and OS X and before 11.2.202.535 on Linux, Adobe AIR before 19.0.0.213, Adobe AIR SDK before 19.0.0.213, and Adobe AIR SDK & Compiler before 19.0.0.213 allows attackers to execute arbitrary code via a Video object with a crafted deblocking property, a different vulnerability than CVE-2015-7629, CVE-2015-7631, and CVE-2015-7644.

Frequently asked questions

What is CVE-2015-7643?: Use-after-free vulnerability in Adobe Flash Player before 18.0.0.252 and 19.x before 19.0.0.207 on Windows and OS X and before 11.2.202.535 on Linux, Adobe AIR before 19.0.0.213, Adobe AIR SDK before 19.0.0.213, and Adobe AIR SDK & Compiler before 19.0.0.213 allows attackers to execute arbitrary code via a Video object with a crafted deblocking property, a different vulnerability than CVE-2015-7629, CVE-2015-7631, and CVE-2015-7644.
How severe is CVE-2015-7643?: CVE-2015-7643 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2015-7643 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7643?: CVE-2015-7643 primarily affects Adobe Flash Player. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-7643?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-7643 published?: CVE-2015-7643 was published on 2015-10-15 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:air:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:air_sdk:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:air_sdk_\&_compiler:*:*:*:*:*:*:*:*

More vulnerabilities in Adobe Flash Player

CVE-2015-8459 — Critical (CVSS 10.0): Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.2.202.559 on…
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CVE-2015-8455 — Critical (CVSS 10.0): Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and OS X and before 11.2.202.554 on…
CVE-2015-8454 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and…
CVE-2015-8452 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and…
CVE-2015-8451 — Critical (CVSS 10.0): Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and OS X and before 11.2.202.554 on…

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