CVE-2007-4677

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.

Published: 2007-11-07 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-4677 is rated High Risk (72.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 69.65%, 99th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-4677

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-15 69.20% 69.65% +0.46%
2 2026-03-01 70.11% 69.20% -0.91%
3 2025-12-28 70.11%

Full EPSS history (27 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4677

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2007-4677

Affected software / configurations for CVE-2007-4677

Vendor Product Version Raw CPE
apple mac_os_x 10.3.9 cpe:2.3:o:apple:mac_os_x:10.3.9:*:*:*:*:*:*:*
apple mac_os_x 10.4.10 cpe:2.3:o:apple:mac_os_x:10.4.10:*:*:*:*:*:*:*
apple mac_os_x 10.5 cpe:2.3:o:apple:mac_os_x:10.5:*:*:*:*:*:*:*
microsoft windows_vista cpe:2.3:o:microsoft:windows_vista:-:*:*:*:*:*:*:*
microsoft windows_xp cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:*

References for CVE-2007-4677

URL Tags
http://docs.info.apple.com/article.html?artnum=306896 Vendor Advisory
http://lists.apple.com/archives/Security-announce/2007/Nov/msg00000.html Vendor Advisory
http://secunia.com/advisories/27523 Third Party Advisory
http://securityreason.com/securityalert/3352 Third Party Advisory
http://www.kb.cert.org/vuls/id/445083 Third Party Advisory US Government Resource
http://www.osvdb.org/38544 Broken Link
http://www.securityfocus.com/archive/1/483312/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/26338 Third Party Advisory VDB Entry
http://www.securitytracker.com/id?1018894 Third Party Advisory VDB Entry
http://www.us-cert.gov/cas/techalerts/TA07-310A.html Third Party Advisory US Government Resource
http://www.vupen.com/english/advisories/2007/3723 Third Party Advisory
http://www.zerodayinitiative.com/advisories/ZDI-07-065.html Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/38283 Third Party Advisory VDB Entry
cvelogic Threat Intelligence