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Vulnerability record · CVE-2010-0520 · published 30 March 2010

CVE-2010-0520: Apple mac os x memory buffer overflow vulnerability

Apple · Mac Os X

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.

6.8 CVSS 2.0 Medium EPSS 19% · top 2.8% CWE-119 · Memory buffer overflow
6.8CVSS 2.0 base score
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

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.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html PatchVendor Advisory
http://lists.apple.com/archives/security-announce/2010//Mar/msg00002.html
http://support.apple.com/kb/HT4077 PatchVendor Advisory
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 PatchVendor Advisory
http://lists.apple.com/archives/security-announce/2010//Mar/msg00002.html
http://support.apple.com/kb/HT4077 PatchVendor Advisory
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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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2010-0520), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.