CVE-2009-3826
Multiple buffer overflows in squidGuard 1.4 allow remote attackers to bypass intended URL blocking via a long URL, related to (1) the relationship between a certain buffer size in squidGuard and a
02 Description
Multiple buffer overflows in squidGuard 1.4 allow remote attackers to bypass intended URL blocking via a long URL, related to (1) the relationship between a certain buffer size in squidGuard and a
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.82% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 89.6% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2009-10-28 14:00Z17 YR AGO
- Last updated
- 2024-08-07 06:38Z2 YR AGO
- Reserved
- 2009-10-28
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- 4c0c7046213079c3b905d3ad28446ceca316918336836386447d7bee316a617b
05 Affected products
06 References
- www.squidguard.orghttp://www.squidguard.org/Downloads/Patches/1.4/Readme.Patch-20091019
- exchange.xforce.ibmcloud.comsquidguard-url-security-bypass(53922)https://exchange.xforce.ibmcloud.com/vulnerabilities/53922
- www.vupen.comADV-2009-3013http://www.vupen.com/english/advisories/2009/3013
- securitytracker.com1023079http://securitytracker.com/id?1023079
- secunia.com37107http://secunia.com/advisories/37107
- www.vupen.comADV-2010-1043http://www.vupen.com/english/advisories/2010/1043
- www.osvdb.org59164http://www.osvdb.org/59164
- www.debian.orgDSA-2040http://www.debian.org/security/2010/dsa-2040
- lists.opensuse.orgSUSE-SR:2010:014http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
- www.securityfocus.com36800http://www.securityfocus.com/bid/36800
- secunia.com39679http://secunia.com/advisories/39679
- www.securityfocus.com20091026 squidGuard 1.3 & 1.4 : buffer overflowhttp://www.securityfocus.com/archive/1/507440/100/0/threaded
07 Fixed in
Debian 12
- squidguard Fixed in 1.2.0-9
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- squidguard Fixed in 1.2.0-9
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.