CVE-2007-3699

CVE-2007-3699 is a critical-severity vulnerability in Symantec Antivirus Scan Engine with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 4% (89th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Symantec Antivirus Scan Engine
• Published: 2007-10-05
• Last modified: 2026-06-16

Description

The Decomposer component in multiple Symantec products allows remote attackers to cause a denial of service (infinite loop) via a certain value in the PACK_SIZE field of a RAR archive file header.

Frequently asked questions

What is CVE-2007-3699?

The Decomposer component in multiple Symantec products allows remote attackers to cause a denial of service (infinite loop) via a certain value in the PACK_SIZE field of a RAR archive file header.

How severe is CVE-2007-3699?

CVE-2007-3699 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-3699 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3699?

CVE-2007-3699 primarily affects Symantec Antivirus Scan Engine. In total, 168 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-3699?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2007-3699 published?

CVE-2007-3699 was published on 2007-10-05 and last updated on 2026-06-16.

References

• http://osvdb.org/36119
• http://secunia.com/advisories/26053
• http://securityresponse.symantec.com/avcenter/security/Content/2007.07.11f.html
• http://www.securityfocus.com/bid/24282
• http://www.vupen.com/english/advisories/2007/2508
• http://www.zerodayinitiative.com/advisories/ZDI-07-039.html

Affected products (168)

• cpe:2.3:a:symantec:antivirus_scan_engine:4.0:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.0:*:clearswift:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.1:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.1.8:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:caching:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:clearswift:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:microsoft_sharepoint:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:network_attached_storage:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3.7.27:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3.8.29:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3.12:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3.12:*:caching:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3.12:*:clearswift:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3.12:*:messaging:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3.12:*:microsoft_sharepoint:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:4.3.12:*:network_attached_storage:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:5.0:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus_scan_engine:5.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:brightmail_antispam:4.0:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:brightmail_antispam:5.5:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:brightmail_antispam:6.0:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:brightmail_antispam:6.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:brightmail_antispam:6.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:brightmail_antispam:6.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:brightmail_antispam:6.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:2.0:*:scf_7.1:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:2.0:build_9.0.0.338:stm:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:2.0.1_build_9.0.1.1000:mr1:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:2.0.2_build_9.0.2.1000:mr2:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:2.0.3_build_9.0.3.1000:mr3:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:2.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:2.0.4:mr4_build1000:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:2.0.5_build_1100_mp1:mr5:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:2.0.6:mr6:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.0.359:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.1.1000:*:*:*:*:*:*:*

More vulnerabilities in Symantec Antivirus Scan Engine

• CVE-2006-0230 — Critical (CVSS 10.0): Symantec Scan Engine 5.0.0.24, and possibly other versions before 5.1.0.7, uses a client-side check to verify a…
• CVE-2005-2758 — Critical (CVSS 10.0): Integer signedness error in the administrative interface for Symantec AntiVirus Scan Engine 4.0 and 4.3 allows remote…
• CVE-2007-0447 — Critical (CVSS 9.3): Heap-based buffer overflow in the Decomposer component in multiple Symantec products allows remote attackers to execute…
• CVE-2005-0249 — High (CVSS 7.5): Heap-based buffer overflow in the DEC2EXE module for Symantec AntiVirus Library allows remote attackers to execute…
• CVE-2004-0217 — High (CVSS 7.0): The LiveUpdate capability (liveupdate.sh) in Symantec AntiVirus Scan Engine 4.0 and 4.3 for Red Hat Linux allows local…
• CVE-2006-0231 — Medium (CVSS 6.4): Symantec Scan Engine 5.0.0.24, and possibly other versions before 5.1.0.7, uses the same private DSA key for each…

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