How severe is CVE-2008-0309?

CVE-2008-0309 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2008-0309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-0309?

CVE-2008-0309 primarily affects Symantec Scan Engine. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-0309?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-0309 published?

CVE-2008-0309 was published on 2008-02-28 and last updated on 2026-06-16.

CVE-2008-0309

CVE-2008-0309 is a medium-severity vulnerability in Symantec Scan Engine with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Symantec Scan Engine
Published: 2008-02-28
Last modified: 2026-06-16

Description

Stack-based buffer overflow in Symantec Decomposer, as used in certain Symantec antivirus products including Symantec Scan Engine 5.1.2 and other versions before 5.1.6.31, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a malformed RAR file to the Internet Content Adaptation Protocol (ICAP) port (1344/tcp).

Frequently asked questions

What is CVE-2008-0309?: Stack-based buffer overflow in Symantec Decomposer, as used in certain Symantec antivirus products including Symantec Scan Engine 5.1.2 and other versions before 5.1.6.31, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a malformed RAR file to the Internet Content Adaptation Protocol (ICAP) port (1344/tcp).
How severe is CVE-2008-0309?: CVE-2008-0309 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2008-0309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-0309?: CVE-2008-0309 primarily affects Symantec Scan Engine. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-0309?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-0309 published?: CVE-2008-0309 was published on 2008-02-28 and last updated on 2026-06-16.

References

Affected products (12)

cpe:2.3:a:symantec:scan_engine:*:*:*:*:*:*:*:*
cpe:2.3:a:symantec:symantec_antivirus_filtering_domino_mpe:*:*:aix:*:*:*:*:*
cpe:2.3:a:symantec:symantec_antivirus_filtering_domino_mpe:*:*:linux:*:*:*:*:*
cpe:2.3:a:symantec:symantec_antivirus_filtering_domino_mpe:*:*:solaris:*:*:*:*:*
cpe:2.3:a:symantec:symantec_antivirus_network_attached_storage:*:*:*:*:*:*:*:*
cpe:2.3:a:symantec:symantec_antivirus_scan_engine:*:*:*:*:*:*:*:*
cpe:2.3:a:symantec:symantec_antivirus_scan_engine_caching:*:*:*:*:*:*:*:*
cpe:2.3:a:symantec:symantec_antivirus_scan_engine_clearswift:*:*:*:*:*:*:*:*
cpe:2.3:a:symantec:symantec_antivirus_scan_engine_for_microsoft_sharepoint:*:*:*:*:*:*:*:*
cpe:2.3:a:symantec:symantec_antivirus_scan_engine_for_ms_isa:*:*:*:*:*:*:*:*
cpe:2.3:a:symantec:symantec_antivirus_scan_engine_messaging:*:*:*:*:*:*:*:*
cpe:2.3:a:symantec:symantec_mail_security_for_microsoft_exchange:*:*:*:*:*:*:*:*

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