The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 through 2004, Norton AntiSpam 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0 through 2.0 allows remote attackers to cause a denial of service (CPU consumption from infinite loop) via a DNS response with a compressed name pointer that points to itself
Published May 20, 2004
2.6
LOWCVSS 2.0
EPSS 11.05%
Description
The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 through 2004, Norton AntiSpam 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0 through 2.0 allows remote attackers to cause a denial of service (CPU consumption from infinite loop) via a DNS response with a compressed name pointer that points to itself.
Affected products
No data.
- 5.01
- 5.1.1
- 1.0
- 1.1
- 1.2
- 1.3
- 1.4
- 1.5
- 1.6
- 1.7
- 1.8
- 1.9
- 2.0
- 2004
- 2002
- 2002
- 2003
- 2003
- 2004
- 2004
- 2002
- 2003
- 2004
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:H/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 11.05% (0.11048) | 95.79th | v5 (v2026.06.15) |
| Jun 15, 2026 | 11.05% (0.11048) | 95.33th | v5 (v2026.06.15) |
| Mar 19, 2025 | 35.05% (0.35047) | 96.53th | v4 (v2025.03.14) |
| Mar 17, 2025 | 39.73% (0.39729) | 96.98th | v4 (v2025.03.14) |
| Dec 17, 2024 | 90.94% (0.90935) | 99.11th | v3 (v2023.03.01) |
| Apr 27, 2023 | 91.96% (0.91958) | 98.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 93.63% (0.93626) | 98.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.57% (0.12567) | 95.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.57% (0.12567) | 95.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.57% (0.12567) | 90.03th | v2 (v2022.01.01) |
No CWE recorded.
References (11)
- http://lists.grok.org.uk/pipermail/full-disclosure/2004-May/021359.html mailing-listx_refsource_FULLDISC
- http://secunia.com/advisories/11066 third-party-advisoryx_refsource_SECUNIA
- http://securityresponse.symantec.com/avcenter/security/Content/2004.05.12.html x_refsource_CONFIRMPatchVendor Advisory
- http://securitytracker.com/id?1010144 vdb-entryx_refsource_SECTRACK
- http://securitytracker.com/id?1010145 vdb-entryx_refsource_SECTRACK
- http://securitytracker.com/id?1010146 vdb-entryx_refsource_SECTRACK
- http://www.ciac.org/ciac/bulletins/o-141.shtml third-party-advisorygovernment-resourcex_refsource_CIAC
- http://www.kb.cert.org/vuls/id/682110 third-party-advisoryx_refsource_CERT-VNPatchThird Party AdvisoryUS Government Resource
- http://www.osvdb.org/6100 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/10336 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16132 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://lists.grok.org.uk/pipermail/full-disclosure/2004-May/021359.html | mailing-listx_refsource_FULLDISC | |
| http://secunia.com/advisories/11066 | third-party-advisoryx_refsource_SECUNIA | |
| http://securityresponse.symantec.com/avcenter/security/Content/2004.05.12.html | x_refsource_CONFIRMPatchVendor Advisory | |
| http://securitytracker.com/id?1010144 | vdb-entryx_refsource_SECTRACK | |
| http://securitytracker.com/id?1010145 | vdb-entryx_refsource_SECTRACK | |
| http://securitytracker.com/id?1010146 | vdb-entryx_refsource_SECTRACK | |
| http://www.ciac.org/ciac/bulletins/o-141.shtml | third-party-advisorygovernment-resourcex_refsource_CIAC | |
| http://www.kb.cert.org/vuls/id/682110 | third-party-advisoryx_refsource_CERT-VNPatchThird Party AdvisoryUS Government Resource | |
| http://www.osvdb.org/6100 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/10336 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/16132 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.