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CVE-2008-6903· NVD / CVE Program· CNA mitre

Sophos Anti-Virus for Windows before 7.6.3, Anti-Virus for Windows NT/9x before 4.7.18, Anti-Virus for OS X before 4.9.18, Anti-Virus for Li

Sophos Anti-Virus for Windows before 7.6.3, Anti-Virus for Windows NT/9x before 4.7.18, Anti-Virus for OS X before 4.9.18, Anti-Virus for Linux before 6.4.5, Anti-Virus for UNIX before 7.0.5, Anti-Virus for Unix and Netware before 4.37.0, Sophos EM Library, and Sophos small business solutions, when CAB archive scanning is enabled, allows remote attackers to cause a denial of service (segmentation fault) via a "fuzzed" CAB archive file, as demonstrated by the OUSPG PROTOS GENOME test suite for Archive Formats.

MediumCVSS 4.3 · v2.0—No exploit No fix recorded
Published
Aug 5, 2009
Updated
Jun 16, 2026
EPSS
6.6% · 94th percentile
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Report tools

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Action score

19

Monitor

Low priority for now.

CVSS
17 / 40 · 4.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 6.6%

Affected systems

VendorProduct
sophosanti-virus
sophosanti-virus7.6.3

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • sophos anti-virus4.37.0
  • sophos anti-virus4.7.18
  • sophos anti-virus4.9.18
  • sophos anti-virus6.4.5
  • sophos anti-virus7.0.5
  • sophos anti-virus7.6.3all versions

Same product

sophos: all records

Other highest-scoring records for the same primary product.

  • CVE-2008-6904Multiple unspecified vulnerabilities in Sophos SAVScan 4.33.0 for Linux, and possibly other products and versions, allow remote attackers to
    43Plan
  • CVE-2008-5541Sophos Anti-Virus 4.33.0, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document
    39Monitor
  • CVE-2007-4577Sophos Anti-Virus for Unix/Linux before 2.48.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed BZip fil
    33Monitor
  • CVE-2006-5647Sophos Anti-Virus and Endpoint Security before 6.0.5, Anti-Virus for Linux before 5.0.10, and other platforms before 4.11 allows remote atta
    31Monitor
  • CVE-2007-4578Sophos Anti-Virus for Windows and for Unix/Linux before 2.48.0 allows remote attackers to cause a denial of service (crash) and possibly exe
    29Monitor
  • CVE-2010-2308Unspecified vulnerability in the filter driver (savonaccessfilter.sys) in Sophos Anti-Virus before 7.6.20 allows local users to gain privile
    28Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

    If successful

    Confidentiality
    none
    Integrity
    none
    Availability
    P · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    None
    Integrity impact
    None
    Availability impact
    P

    Weakness class (CWE)

    CWE-399 · Resource Management Errors

    CVSS vector

    AV:N/AC:M/Au:N/C:N/I:N/A:P

    nvd-primary

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    MITRE has no CAPEC/ATT&CK mapping for this CWE.

    Noroxi analysis

    No Noroxi analysis for this record yet

    We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

    We use this product, ask for help

    Change log

    No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records