kbrain

CVE-2009-3476

HIGH · CVSS 9.3EPSS 4.1%EU EUVD

Buffer overflow in OpenSAML before 1.1.3 as used in Internet2 Shibboleth Service Provider software 1.3.x before 1.3.4, and XMLTooling before 1.2.2 as used in Internet2 Shibboleth Service Provider software 2.x before 2.2.1, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a malformed encoded URL.

Key facts

CVSS score
9.3 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-119
EPSS score
4.1% (91th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-3458)
Published
September 29, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-3458 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • internet2 / opensaml
  • internet2 / opensaml
  • internet2 / shibboleth-sp
  • internet2 / shibboleth-sp
  • internet2 / shibboleth-sp
  • internet2 / shibboleth-sp
  • internet2 / shibboleth-sp
  • internet2 / shibboleth-sp
  • internet2 / shibboleth-sp
  • internet2 / xmltooling
  • internet2 / xmltooling
  • internet2 / xmltooling
  • internet2 / xmltooling
  • internet2 / xmltooling

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain