How severe is CVE-2005-1530?

CVE-2005-1530 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-1530 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-1530?

CVE-2005-1530 primarily affects Sophos Sophos Anti-virus. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-1530?

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

When was CVE-2005-1530 published?

CVE-2005-1530 was published on 2005-07-19 and last updated on 2026-06-16.

CVE-2005-1530

CVE-2005-1530 is a medium-severity vulnerability in Sophos Sophos Anti-virus with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sophos Sophos Anti-virus
Published: 2005-07-19
Last modified: 2026-06-16

Description

Sophos Anti-Virus 5.0.1, with "Scan inside archive files" enabled, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a Bzip2 archive with a large 'Extra field length' value.

Frequently asked questions

What is CVE-2005-1530?: Sophos Anti-Virus 5.0.1, with "Scan inside archive files" enabled, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a Bzip2 archive with a large 'Extra field length' value.
How severe is CVE-2005-1530?: CVE-2005-1530 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-1530 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-1530?: CVE-2005-1530 primarily affects Sophos Sophos Anti-virus. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-1530?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-1530 published?: CVE-2005-1530 was published on 2005-07-19 and last updated on 2026-06-16.

References

Affected products (19)

cpe:2.3:a:sophos:sophos_anti-virus:3.4.6:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_anti-virus:3.78:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_anti-virus:3.78d:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_anti-virus:3.79:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_anti-virus:3.80:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_anti-virus:3.81:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_anti-virus:3.82:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_anti-virus:3.83:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_anti-virus:3.84:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_anti-virus:3.85:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_anti-virus:3.86:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_anti-virus:3.90:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_anti-virus:3.91:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_anti-virus:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_mailmonitor:2.0:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_mailmonitor:2.1:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_mailmonitor_for_notes_domino:*:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_puremessage_anti-virus:4.6:*:*:*:*:*:*:*
cpe:2.3:a:sophos:sophos_small_business_suite:1.0:*:*:*:*:*:*:*

More vulnerabilities in Sophos Sophos Anti-virus

CVE-2006-6335 — Critical (CVSS 10.0): Multiple buffer overflows in Sophos Anti-Virus scanning engine before 2.40 allow remote attackers to execute arbitrary…
CVE-2006-0994 — High (CVSS 7.5): Multiple Sophos Anti-Virus products, including Anti-Virus for Windows 5.x before 5.2.1 and 4.x before 4.05, when…
CVE-2005-2768 — High (CVSS 7.5): Heap-based buffer overflow in the Sophos Antivirus Library, as used by Sophos Antivirus, PureMessage, MailMonitor, and…
CVE-2004-0937 — High (CVSS 7.5): Sophos Anti-Virus before 3.87.0, and Sophos Anti-Virus for Windows 95, 98, and Me before 3.88.0, allows remote…
CVE-2004-0936 — High (CVSS 7.5): RAV antivirus allows remote attackers to bypass antivirus protection via a compressed file with both local and global…
CVE-2004-0935 — High (CVSS 7.5): Eset Anti-Virus before 1.020 (16th September 2004) allows remote attackers to bypass antivirus protection via a…

All CVEs affecting Sophos Sophos Anti-virus →