Which products and versions are affected by CVE-2012-3753?

Affected: Quicktime (Apple) versions 3.0, 4.1.2, 5.0, 5.0.1, 5.0.2, 6.0, 6.0.0, 6.0.1. The full list is in the CVE brief.

Is CVE-2012-3753 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2012-3753 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2012-3753?

Public exploit code is available.

Is there a fix for CVE-2012-3753?

Fixed versions are available, including Quicktime 7.7.2.

How urgently should CVE-2012-3753 be patched?

Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

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Emerging threatsCritical

CVE-2012-3753Quicktime Memory Corruption

Buffer overflow in the plugin in Apple QuickTime before 7.7.3 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted MIME type.

Published Nov 9, 2012 · Updated Apr 28, 2026

Key Facts

Patch immediately

CVE-2012-3753 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Quicktime (Apple).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 35% probability of exploitation in the next 30 days.
Fixed versions are available, including Quicktime 7.7.2.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v2

9.3

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

EPSS (30-day exploit likelihood)

35%

Higher than 98.4% of all scored CVEs

Exploit maturity

Weaponized

ATLAS score

57/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Weaponized

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Advisories And Exploit References

advisoryAPPLE-SA-2012-11-07-1
advisoryhttp://support.apple.com/kb/HT5581

Description

Buffer overflow in the plugin in Apple QuickTime before 7.7.3 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted MIME type.

Affected Products

51 affected entries in total

Product	Affected versions	Fixed in
QuicktimeApple	3.0, 4.1.2, 5.0, 5.0.1, 5.0.2, 6.0, 6.0.0, 6.0.1	7.7.2

Patched Releases

Quicktime

7.7.2

Timeline

Publicly disclosed
Nov 9, 2012
Last updated
Apr 28, 2026

Weakness Type

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

advisoryAPPLE-SA-2012-11-07-1
advisorysupport.apple.com · HT5581
exploitMSF apple_quicktime_mime_type.rb
exploitExploitDB-22973
otherpacketstormsecurity.com · Apple-QuickTime-7.7.2-MIME-Type-Buffer-Overflow…

3 more references in the full CVE brief

FAQ

Common Questions.

Buffer overflow in the plugin in Apple QuickTime before 7.7.3 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted MIME type.
Affected: Quicktime (Apple) versions 3.0, 4.1.2, 5.0, 5.0.1, 5.0.2, 6.0, 6.0.0, 6.0.1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Quicktime 7.7.2.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Is CVE-2012-3753 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.