CVE-2007-4577

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-08-28 · updated 2026-06-16
Weakness: CWE-399

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").

Affected products

Sophos Anti-Virus: 3.4.6, 3.78, 3.78d, 3.79, 3.80, 3.81 (+26)
Sophos Scanning Engine: 2.30.4, 2.40.2
Sophos Small Business Suite: 4.04, 4.05

References

http://secunia.com/advisories/26580
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
http://securityreason.com/securityalert/3073
http://securitytracker.com/id?1018608
http://www.nruns.com/security_advisory_sophos_gzip_infinite_loop_dos.php

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