Multiple stack-based buffer overflows in the filter service (aka k9filter.exe) in Blue…
Priority MEDIUM 56CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Multiple stack-based buffer overflows in the filter service (aka k9filter.exe) in Blue Coat K9 Web Protection 3.2.44 with Filter 3.2.32 allow (1) remote attackers to execute arbitrary code via a long HTTP Referer header to the K9 Web Protection Administration interface and (2) man-in-the-middle attackers to execute arbitrary code via an HTTP response with a long HTTP version field.
Why it matters now
EPSS 0.15493 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:blue_coat_systems:filter:3.2.32:*:*:*:*:*:*:* | 3.2.32 | Vulnerable | Blue Coat Systems |
| cpe:2.3:a:blue_coat_systems:k9_web_protection:3.2.44:*:*:*:*:*:*:* | 3.2.44 | Vulnerable | Blue Coat Systems |
- cpe:2.3:a:blue_coat_systems:filter:3.2.32:*:*:*:*:*:*:* Versions 3.2.32 Vulnerable ·Blue Coat Systems
- cpe:2.3:a:blue_coat_systems:k9_web_protection:3.2.44:*:*:*:*:*:*:* Versions 3.2.44 Vulnerable ·Blue Coat Systems
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-2952
- 2026-10-03 Alias added: GHSA-r9wp-938m-vwh5
References
Other 1
Sources
- CVE-2007-2952 · CVE Program
- CVE-2007-2952 · NVD
- FIRST EPSS
- GHSA-r9wp-938m-vwh5 · GitHub Advisory Database · CC BY 4.0
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