CVE-2010-0520

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 18.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-03-30 · updated 2026-06-16
Weakness: CWE-119

Description

Heap-based buffer overflow in QuickTimeAuthoring.qtx in QuickTime in Apple Mac OS X before 10.6.3 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted FLC file, related to crafted DELTA_FLI chunks and untrusted length values in a .fli file, which are not properly handled during decompression.

Affected products

macOS: 10.6.0, 10.6.1, 10.6.2
Apple Mac Os X Server: 10.6.0, 10.6.1, 10.6.2

References

http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
http://lists.apple.com/archives/security-announce/2010//Mar/msg00002.html
http://support.apple.com/kb/HT4077
http://www.securityfocus.com/archive/1/510520/100/0/threaded
http://www.zerodayinitiative.com/advisories/ZDI-10-044
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6801
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
http://lists.apple.com/archives/security-announce/2010//Mar/msg00002.html
http://support.apple.com/kb/HT4077
http://www.securityfocus.com/archive/1/510520/100/0/threaded
http://www.zerodayinitiative.com/advisories/ZDI-10-044
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6801

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