CVE-2005-1530: n/a vulnerability

CVE-2005-1530: Sophos Anti-Virus 5.0.1, with "Scan inside archive files" enabled, allows remote attackers to cause a denia...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 21:51 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2005-1530 is a denial-of-service issue in Sophos Anti-Virus 5.0.1 when archive scanning is enabled. A specially malformed Bzip2 archive can make the scanner consume CPU in an infinite loop, potentially disrupting endpoint or gateway scanning availability. Exposure appears limited to legacy Sophos Anti-Virus 5.0.1 deployments where scanning inside archive files is enabled, especially mail gateways, file gateways, or endpoints processing untrusted archives. The bundle does not identify broader affected versions. Treat this as a legacy availability risk. It is not marked actively exploited in the supplied data, but affected antivirus infrastructure can become unavailable while processing hostile archives. Mitigation focus: Inventory any Sophos Anti-Virus 5.0.1 installations.; Check whether scanning inside archive files is enabled.; Consult Sophos guidance for fixed versions or supported workarounds..

Prepared: Jun 29, 2026, 18:52 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 19, 2005, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
sophos-bzip2-dos(21373)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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