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CVE-2009-2203

25
FAUCET Score

CVE-2009-2203 describes a critical buffer overflow vulnerability in Apple QuickTime versions prior to 7.6.4, allowing remote attackers to execute arbitrary code or cause a denial of service through specially crafted MPEG-4 video files. With a CVSS score of 9.3, this vulnerability is highly severe due to its network-based attack vector, medium complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 7.6.2CPE matchmatch criteria
cpe:2.3:a:apple:quicktime:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:apple:quicktime:-:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:apple:quicktime:3.0:*:*:*:*:*:*:*
4.1.2CPE matchmatch criteria
cpe:2.3:a:apple:quicktime:4.1.2:*:*:*:*:*:*:*
4.1.2CPE matchmatch criteria
cpe:2.3:a:apple:quicktime:4.1.2:-:mac:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.72%
Probability of exploitation in next 30 days
EPSS Percentile
92.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0572 is in the 63rd percentile among its peer group of 8,920 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

applepatch availablevia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2009/Nov/msg00000.html
lists.apple.com / archives/security-announce/2009/Sep/msg00002.html
PatchVendor Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5672
support.apple.com / kb/HT3859
PatchVendor Advisory
support.apple.com / kb/HT3937
securityfocus.com / bid/36328
Patch
vupen.com / english/advisories/2009/3184