squidGuard: buffer overflow in sgLog.c (CVE-2009-3700) and two URL filter bypass issues (CVE-2009-3826)
Published Oct 28, 2009
5.0
MEDIUMCVSS 2.0
EPSS 3.83%
Description
Buffer overflow in sgLog.c in squidGuard 1.3 and 1.4 allows remote attackers to cause a denial of service (application hang or loss of blocking functionality) via a long URL with many / (slash) characters, related to "emergency mode."
Affected products
No data.
- 1.3
- 1.4
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 3, 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 3.83% (0.03829) | 89.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.83% (0.03829) | 88.69th | v5 (v2026.06.15) |
| Mar 30, 2025 | 3.40% (0.03402) | 86.29th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.37% (0.05365) | 83.11th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.40% (0.03402) | 86.59th | v4 (v2025.03.14) |
| Feb 24, 2025 | 10.91% (0.10911) | 95.19th | v3 (v2023.03.01) |
| Apr 27, 2024 | 9.21% (0.09212) | 94.58th | v3 (v2023.03.01) |
| Jan 31, 2024 | 10.12% (0.10117) | 94.42th | v3 (v2023.03.01) |
| Mar 7, 2023 | 11.31% (0.11314) | 94.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (16)
- http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/37107 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/39679 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1023079 vdb-entryx_refsource_SECTRACK
- http://www.debian.org/security/2010/dsa-2040 vendor-advisoryx_refsource_DEBIAN
- http://www.osvdb.org/59163 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/archive/1/507440/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/36800 vdb-entryx_refsource_BIDPatch
- http://www.squidguard.org/Downloads/Patches/1.4/Readme.Patch-20091015 x_refsource_CONFIRMPatchVendor Advisory
- http://www.vupen.com/english/advisories/2009/3013 vdb-entryx_refsource_VUPENPatchVendor Advisory
- http://www.vupen.com/english/advisories/2010/1043 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2009-3700 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=530862 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53921 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2009-3700
- https://www.cve.org/CVERecord?id=CVE-2009-3700
Change history (0)
No recorded changes yet.