How severe is CVE-2015-8453?

CVE-2015-8453 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-8453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8453?

CVE-2015-8453 primarily affects Adobe Flash Player. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-8453?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-8453 published?

CVE-2015-8453 was published on 2015-12-10 and last updated on 2026-06-17.

CVE-2015-8453

CVE-2015-8453 is a medium-severity vulnerability in Adobe Flash Player with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Adobe Flash Player
Published: 2015-12-10
Last modified: 2026-06-17

Description

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 Linux, Adobe AIR before 20.0.0.204, Adobe AIR SDK before 20.0.0.204, and Adobe AIR SDK & Compiler before 20.0.0.204 allow attackers to bypass the ASLR protection mechanism via JIT data, a different vulnerability than CVE-2015-8409 and CVE-2015-8440.

Frequently asked questions

What is CVE-2015-8453?: 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 Linux, Adobe AIR before 20.0.0.204, Adobe AIR SDK before 20.0.0.204, and Adobe AIR SDK & Compiler before 20.0.0.204 allow attackers to bypass the ASLR protection mechanism via JIT data, a different vulnerability than CVE-2015-8409 and CVE-2015-8440.
How severe is CVE-2015-8453?: CVE-2015-8453 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-8453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8453?: CVE-2015-8453 primarily affects Adobe Flash Player. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-8453?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-8453 published?: CVE-2015-8453 was published on 2015-12-10 and last updated on 2026-06-17.

References

Affected products (8)

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:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:19.0.0.185:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:19.0.0.207:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:19.0.0.226:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:19.0.0.245:*:*:*:*:*:*:*

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…
CVE-2015-8457 — Critical (CVSS 10.0): Stack-based buffer overflow in Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and…
CVE-2015-8455 — 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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