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CVE-2006-5276

86
FAUCET Score

CVE-2006-5276 describes a critical stack-based buffer overflow in the DCE/RPC preprocessor of Snort (versions prior to 2.6.1.3 and 2.7 beta 2) and Sourcefire Intrusion Sensor. This vulnerability allows unauthenticated remote attackers to execute arbitrary code by sending specially crafted SMB traffic. With a CVSS score of 10.0 and an EPSS score indicating high exploitability, this flaw poses a severe risk, enabling complete compromise of affected systems. Multiple public exploits exist, including a Metasploit module and several ExploitDB entries, demonstrating its ease of exploitation, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.1.2CPE matchmatch criteria
cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:*
2.6.1CPE matchmatch criteria
cpe:2.3:a:snort:snort:2.6.1:*:*:*:*:*:*:*
2.6.1.1CPE matchmatch criteria
cpe:2.3:a:snort:snort:2.6.1.1:*:*:*:*:*:*:*
2.7_beta1CPE matchmatch criteria
cpe:2.3:a:snort:snort:2.7_beta1:*:*:*:*:*:*:*
4.1CPE matchmatch criteria
cpe:2.3:a:sourcefire:intrusion_sensor:4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
79.32%
Probability of exploitation in next 30 days
EPSS Percentile
99.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Snort 2 DCE/RPC Preprocessor Buffer Overflow · Feb 19, 2007
ExploitDB: EDB-18723 · Apr 9, 2012
This CVE's current EPSS score of 0.7932 is in the 99th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

fedoranews.org / updates/FEDORA-2007-206.shtml
iss.net / threats/257.html
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/24190
secunia.com / advisories/24235
secunia.com / advisories/24239
secunia.com / advisories/24240
secunia.com / advisories/24272
secunia.com / advisories/26746
security.gentoo.org / glsa/glsa-200703-01.xml
exchange.xforce.ibmcloud.com / vulnerabilities/31275
exploit-db.com / exploits/3362
www116.nortelnetworks.com / pub/repository/CLARIFY/DOCUMENT/2007/08/021923-01.pdf
www130.nortelnetworks.com / go/main.jsp
kb.cert.org / vuls/id/196240
US Government Resource
osvdb.org / 32094
securityfocus.com / archive/1/461810/100/0/threaded
securityfocus.com / bid/22616
securitytracker.com / id
securitytracker.com / id
snort.org / docs/advisory-2007-02-19.html
Vendor Advisory
us-cert.gov / cas/techalerts/TA07-050A.html
Third Party AdvisoryUS Government Resource
vupen.com / english/advisories/2007/0656
vupen.com / english/advisories/2007/0668