SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2006-5645

Sophos Anti-Virus and Endpoint Security before 6.0.5, Anti-Virus for Linux before 5.0.10, and other platforms before 4.11, when "Enabled scanning of archives" is set, allows remote attackers to cause a denial of service (infinite loop) via a malformed…

EXPLOIT ✓MEDIUM 5.0EPSS 17.9%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 17.9%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

Sophos Anti-Virus and Endpoint Security before 6.0.5, Anti-Virus for Linux before 5.0.10, and other platforms before 4.11, when "Enabled scanning of archives" is set, allows remote attackers to cause a denial of service (infinite loop) via a malformed RAR archive with an Archive Header section with the head_size and pack_size fields set to zero.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
17.88% probability · 97th percentile
Public exploits
1 in Exploit-DB · verified · first 10 December 2006
CISA KEV
Not listed
Weakness
CWE-399
Affected
sophos/anti-virus · sophos/endpoint security
Source
cve@mitre.org
EPSS trend
0%10%20%26 October 2026: 17.88%26 October 202626 October 2026

EPSS 17.9% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-2912source ↗Sophos / Trend Micro AntiVirus - '.RAR' File Denial of Service (PoC)multiple · Damian Putdos10 December 2006yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.