How severe is CVE-2005-3591?

CVE-2005-3591 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2005-3591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-3591?

CVE-2005-3591 primarily affects Macromedia 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-2005-3591?

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

When was CVE-2005-3591 published?

CVE-2005-3591 was published on 2005-11-16 and last updated on 2026-06-16.

CVE-2005-3591

CVE-2005-3591 is a high-severity vulnerability in Macromedia Flash Player with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Macromedia Flash Player
Published: 2005-11-16
Last modified: 2026-06-16

Description

Macromedia Flash plugin (1) Flash.ocx 7.0.19.0 (Windows) and earlier and (2) libflashplayer.so before 7.0.25.0 (Unix) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via parameters to the ActionDefineFunction ActionScript call in a SWF file, which causes an improper memory access condition, a different vulnerability than CVE-2005-2628.

Frequently asked questions

What is CVE-2005-3591?: Macromedia Flash plugin (1) Flash.ocx 7.0.19.0 (Windows) and earlier and (2) libflashplayer.so before 7.0.25.0 (Unix) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via parameters to the ActionDefineFunction ActionScript call in a SWF file, which causes an improper memory access condition, a different vulnerability than CVE-2005-2628.
How severe is CVE-2005-3591?: CVE-2005-3591 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-3591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-3591?: CVE-2005-3591 primarily affects Macromedia 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-2005-3591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-3591 published?: CVE-2005-3591 was published on 2005-11-16 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:macromedia:flash_player:6.0:*:*:*:*:*:*:*
cpe:2.3:a:macromedia:flash_player:6.0.29.0:*:*:*:*:*:*:*
cpe:2.3:a:macromedia:flash_player:6.0.40.0:*:*:*:*:*:*:*
cpe:2.3:a:macromedia:flash_player:6.0.47.0:*:*:*:*:*:*:*
cpe:2.3:a:macromedia:flash_player:6.0.65.0:*:*:*:*:*:*:*
cpe:2.3:a:macromedia:flash_player:6.0.79.0:*:*:*:*:*:*:*
cpe:2.3:a:macromedia:flash_player:7.0.19.0:*:*:*:*:*:*:*
cpe:2.3:a:macromedia:flash_player:7.0_r19:*:*:*:*:*:*:*

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