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CVE-2011-0251

29
FAUCET Score

CVE-2011-0251 is a heap-based buffer overflow vulnerability affecting Apple QuickTime before version 7.7, as well as Microsoft products utilizing QuickTime. This critical vulnerability (CVSS 9.3) allows remote attackers to execute arbitrary code or cause a denial of service by crafting malicious STSZ atoms within a QuickTime movie file. While the vulnerability is severe, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 7.6.9CPE 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:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:apple:quicktime:5.0:*:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:apple:quicktime:5.0.1:*:*:*:*:*:*:*

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
5.08%
Probability of exploitation in next 30 days
EPSS Percentile
91.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0508 is in the 60th percentile among its peer group of 8,920 CVEs.

Social Chatter

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

Remediation records are not available for this CVE.

References

lists.apple.com / archives/security-announce/2011//Aug/msg00000.html
PatchVendor Advisory
lists.apple.com / archives/Security-announce/2011//Oct/msg00003.html
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16143
support.apple.com / kb/HT5002