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Vulnerability record · CVE-2007-4577 · published 28 August 2007

CVE-2007-4577: Sophos anti-virus vulnerability

Sophos · Anti Virus

Sophos Anti-Virus for Unix/Linux before 2.48.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed BZip file that results in the creation of multiple Engine temporary files (aka a "BZip bomb").

7.8 CVSS 2.0 High EPSS 5.5% · top 7.5% CWE-399 · CWE-399
7.8CVSS 2.0 base score
5.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

Sophos Anti-Virus for Unix/Linux before 2.48.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed BZip file that results in the creation of multiple Engine temporary files (aka a "BZip bomb").

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/26580 PatchVendor Advisory
http://securityreason.com/securityalert/3073
http://securitytracker.com/id?1018608
http://www.nruns.com/security_advisory_sophos_gzip_infinite_loop_dos.php
http://www.securityfocus.com/archive/1/477727/100/0/threaded
http://www.securityfocus.com/bid/25428
http://www.sophos.com/support/knowledgebase/article/28407.html
http://www.vupen.com/english/advisories/2007/2972
http://secunia.com/advisories/26580 PatchVendor Advisory
http://securityreason.com/securityalert/3073
http://securitytracker.com/id?1018608
http://www.nruns.com/security_advisory_sophos_gzip_infinite_loop_dos.php
http://www.securityfocus.com/archive/1/477727/100/0/threaded
http://www.securityfocus.com/bid/25428
http://www.sophos.com/support/knowledgebase/article/28407.html
http://www.vupen.com/english/advisories/2007/2972

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2008-6904Sophos anti-virus vulnerabilityMultiple unspecified vulnerabilities in Sophos SAVScan 4.33.0 for Linux, and possibly other products and versions, allow remote attackers to cause a …EPSS 11%9.3CVE-2008-5541Sophos anti-virus improper input validation vulnerabilitySophos 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 by placin…EPSS 7.6%7.5CVE-2004-0552Sophos small business suite vulnerabilitySophos Small Business Suite 1.00 on Windows does not properly handle files whose names contain reserved MS-DOS device names such as (1) LPT1, (2) COM…EPSS 24%7.2CVE-2010-2308Sophos anti-virus vulnerabilityUnspecified vulnerability in the filter driver (savonaccessfilter.sys) in Sophos Anti-Virus before 7.6.20 allows local users to gain privileges via c…EPSS 1.2%6.9CVE-2008-1737Sophos anti-virus improper input validation vulnerabilitySophos Anti-Virus 7.0.5, and other 7.x versions, when Runtime Behavioural Analysis is enabled, allows local users to cause a denial of service (reboo…EPSS 0.62%6.8CVE-2007-4578Sophos anti-virus vulnerabilitySophos Anti-Virus for Windows and for Unix/Linux before 2.48.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbi…EPSS 7.3%6.4CVE-2006-5647Sophos anti-virus memory buffer overflow vulnerabilitySophos 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 attackers to …EPSS 21%5.6CVE-2014-1213Sophos scanning engine permissions and access controls vulnerabilitySophos Anti-Virus engine (SAVi) before 3.50.1, as used in VDL 4.97G 9.7.x before 9.7.9, 10.0.x before 10.0.11, and 10.3.x before 10.3.1 does not set …EPSS 0.97%

Source: NIST National Vulnerability Database (record CVE-2007-4577), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.