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
Published Nov 1, 2006
5.0
MEDIUMCVSS 2.0
EPSS 17.88%
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.
Affected products
No data.
- 4.04
- 4.05
- 4.5.3
- 4.5.4
- 4.5.11
- 4.5.12
- 4.7.1
- 4.7.2
- 5.0.1
- 5.0.2
- 5.0.4
- 5.1
- 5.2
- 5.2.1
- 6.0.4
- ≤ 6.04
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 17.88% (0.17877) | 97.09th | v5 (v2026.06.15) |
| Jun 15, 2026 | 17.25% (0.17249) | 96.70th | v5 (v2026.06.15) |
| May 22, 2026 | 20.55% (0.20549) | 95.66th | v4 (v2025.03.14) |
| Apr 29, 2026 | 24.99% (0.24989) | 96.19th | v4 (v2025.03.14) |
| Apr 26, 2026 | 20.01% (0.20006) | 95.49th | v4 (v2025.03.14) |
| Mar 30, 2025 | 14.27% (0.14273) | 93.80th | v4 (v2025.03.14) |
| Mar 29, 2025 | 11.28% (0.11284) | 89.18th | v4 (v2025.03.14) |
| Mar 17, 2025 | 14.27% (0.14273) | 93.88th | v4 (v2025.03.14) |
| Dec 12, 2024 | 18.57% (0.18570) | 96.40th | v3 (v2023.03.01) |
| Feb 5, 2024 | 18.57% (0.18570) | 95.78th | v3 (v2023.03.01) |
| Sep 5, 2023 | 20.35% (0.20348) | 95.72th | v3 (v2023.03.01) |
| Jul 29, 2023 | 15.46% (0.15456) | 95.15th | v3 (v2023.03.01) |
| Apr 5, 2023 | 15.89% (0.15891) | 95.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 15.51% (0.15506) | 94.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.20% (0.07197) | 92.42th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.20% (0.07197) | 91.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.20% (0.07197) | 80.47th | v2 (v2022.01.01) |
References (8)
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=439 third-party-advisoryx_refsource_IDEFENSE
- http://secunia.com/advisories/22591 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1017132 vdb-entryx_refsource_SECTRACK
- http://www.securityfocus.com/archive/1/474683/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/20816 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1018450 vdb-entryx_refsource_SECTRACK
- http://www.sophos.com/support/knowledgebase/article/7609.html x_refsource_CONFIRM
- http://www.vupen.com/english/advisories/2006/4239 vdb-entryx_refsource_VUPENVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=439 | third-party-advisoryx_refsource_IDEFENSE | |
| http://secunia.com/advisories/22591 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securitytracker.com/id?1017132 | vdb-entryx_refsource_SECTRACK | |
| http://www.securityfocus.com/archive/1/474683/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/20816 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1018450 | vdb-entryx_refsource_SECTRACK | |
| http://www.sophos.com/support/knowledgebase/article/7609.html | x_refsource_CONFIRM | |
| http://www.vupen.com/english/advisories/2006/4239 | vdb-entryx_refsource_VUPENVendor Advisory |
Change history (0)
No recorded changes yet.