CVE-2007-4677

Quicktime vulnerability

CVSS

9.3

EPSS

46.7%

EPSS pct

99th

Exploited

No known

Heap-based buffer overflow in Apple QuickTime before 7.3 allows remote attackers to execute arbitrary code via an invalid color table size when parsing the color table atom (CTAB) in a movie file, related to the CTAB RGB values.

Affected vendor

Apple

Affected product

Quicktime

CVSS vector

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

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2007-11-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 46.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2007-4677

Confirm whether Apple Quicktime is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2007-4677.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-4677

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-4677 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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