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CVE-2010-0520

38
FAUCET Score

CVE-2010-0520 describes a heap-based buffer overflow in QuickTimeAuthoring.qtx within Apple QuickTime on Mac OS X before version 10.6.3. This vulnerability allows remote attackers to execute arbitrary code or cause a denial of service through a specially crafted FLC file containing untrusted length values in DELTA_FLI chunks. With a CVSS score of 6.8, it is considered a medium severity vulnerability, requiring medium attack complexity but potentially leading to partial confidentiality, integrity, and availability impacts. While not listed in CISA's KEV catalog, public exploit code exists (EDB-15035), though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
10.6.0CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.6.0:*:*:*:*:*:*:*
10.6.1CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.6.1:*:*:*:*:*:*:*
10.6.2CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.6.2:*:*:*:*:*:*:*
10.6.0CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x_server:10.6.0:*:*:*:*:*:*:*
10.6.1CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x_server:10.6.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
18.57%
Probability of exploitation in next 30 days
EPSS Percentile
97.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-15035 · Sep 18, 2010
This CVE's current EPSS score of 0.1857 is in the 97th percentile among its peer group of 19,958 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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/2010//Mar/msg00001.html
PatchVendor Advisory
lists.apple.com / archives/security-announce/2010//Mar/msg00002.html
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6801
support.apple.com / kb/HT4077
PatchVendor Advisory
securityfocus.com / archive/1/510520/100/0/threaded
zerodayinitiative.com / advisories/ZDI-10-044