How severe is CVE-2011-0548?

CVE-2011-0548 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2011-0548 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0548?

CVE-2011-0548 primarily affects Symantec Mail Security. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0548?

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-2011-0548 published?

CVE-2011-0548 was published on 2011-07-18 and last updated on 2026-06-16.

CVE-2011-0548

CVE-2011-0548 is a critical-severity vulnerability in Symantec Mail Security 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. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Symantec Mail Security
Published: 2011-07-18
Last modified: 2026-06-16

Description

Buffer overflow in the Lotus Freelance Graphics PRZ file viewer in Autonomy KeyView, as used in Symantec Mail Security (SMS) 6.x through 8.x, Symantec Brightmail and Messaging Gateway before 9.5.1, and Symantec Data Loss Prevention (DLP) before 10.5.3 and 11.x before 11.1, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted .prz file. NOTE: this may overlap CVE-2011-1217.

Frequently asked questions

What is CVE-2011-0548?: Buffer overflow in the Lotus Freelance Graphics PRZ file viewer in Autonomy KeyView, as used in Symantec Mail Security (SMS) 6.x through 8.x, Symantec Brightmail and Messaging Gateway before 9.5.1, and Symantec Data Loss Prevention (DLP) before 10.5.3 and 11.x before 11.1, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted .prz file. NOTE: this may overlap CVE-2011-1217.
How severe is CVE-2011-0548?: CVE-2011-0548 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-0548 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0548?: CVE-2011-0548 primarily affects Symantec Mail Security. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0548?: 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-2011-0548 published?: CVE-2011-0548 was published on 2011-07-18 and last updated on 2026-06-16.

References

Affected products (24)

cpe:2.3:a:symantec:mail_security:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:mail_security:7.5:*:*:*:*:*:*:*
cpe:2.3:a:symantec:mail_security:8.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:brightmail_and_messaging_gateway:*:*:*:*:*:*:*:*
cpe:2.3:a:symantec:brightmail_and_messaging_gateway:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:brightmail_and_messaging_gateway:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:brightmail_and_messaging_gateway:5.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:brightmail_and_messaging_gateway:7.7:*:*:*:*:*:*:*
cpe:2.3:a:symantec:brightmail_and_messaging_gateway:8.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:brightmail_and_messaging_gateway:9.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:brightmail_and_messaging_gateway:9.0.1:*:*:*:*:*:*:*
cpe:2.3:a:symantec:brightmail_and_messaging_gateway:9.0.2:*:*:*:*:*:*:*
cpe:2.3:a:symantec:data_loss_prevention:*:*:*:*:*:*:*:*
cpe:2.3:a:symantec:data_loss_prevention:7.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:data_loss_prevention:7.1:*:*:*:*:*:*:*
cpe:2.3:a:symantec:data_loss_prevention:7.2:*:*:*:*:*:*:*
cpe:2.3:a:symantec:data_loss_prevention:8.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:data_loss_prevention:8.1:*:*:*:*:*:*:*
cpe:2.3:a:symantec:data_loss_prevention:8.1.1:*:*:*:*:*:*:*
cpe:2.3:a:symantec:data_loss_prevention:9.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:data_loss_prevention:10:*:*:*:*:*:*:*
cpe:2.3:a:symantec:data_loss_prevention:10.5:*:*:*:*:*:*:*
cpe:2.3:a:symantec:data_loss_prevention:10.5.1:*:*:*:*:*:*:*
cpe:2.3:a:symantec:data_loss_prevention:11.0:*:*:*:*:*:*:*

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CVE-2008-4564 — Critical (CVSS 9.3): Stack-based buffer overflow in wp6sr.dll in the Autonomy KeyView SDK 10.4 and earlier, as used in IBM Lotus Notes,…
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