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TI-2011-02208 Aliases CVE-2011-2516GHSA-2jmv-v2x6-mmv8

Off-by-one error in the XML signature feature in Apache XML Security for C++ 1.6.0, as…

Priority LOW 33CWE-189Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.

Summary

Off-by-one error in the XML signature feature in Apache XML Security for C++ 1.6.0, as used in Shibboleth before 2.4.3 and possibly other products, allows remote attackers to cause a denial of service (crash) via a signature using a large RSA key, which triggers a buffer overflow.

Why it matters now

EPSS 0.0772 94th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 16

CPEVersionsRoleVendor
cpe:2.3:a:apache:xml_security_for_c\+\+:1.6.0:*:*:*:*:*:*:*1.6.0VulnerableApache
cpe:2.3:a:shibboleth:shibboleth-sp:*:*:*:*:*:*:*:*up to 2.4.2VulnerableShibboleth
cpe:2.3:a:shibboleth:shibboleth-sp:1.3.1:*:*:*:*:*:*:*1.3.1VulnerableShibboleth
cpe:2.3:a:shibboleth:shibboleth-sp:1.3.2:*:*:*:*:*:*:*1.3.2VulnerableShibboleth
cpe:2.3:a:shibboleth:shibboleth-sp:1.3.3:*:*:*:*:*:*:*1.3.3VulnerableShibboleth
cpe:2.3:a:shibboleth:shibboleth-sp:1.3.4:*:*:*:*:*:*:*1.3.4VulnerableShibboleth
cpe:2.3:a:shibboleth:shibboleth-sp:1.3.5:*:*:*:*:*:*:*1.3.5VulnerableShibboleth
cpe:2.3:a:shibboleth:shibboleth-sp:1.3f:*:*:*:*:*:*:*1.3fVulnerableShibboleth
cpe:2.3:a:shibboleth:shibboleth-sp:2.0:*:*:*:*:*:*:*2.0VulnerableShibboleth
cpe:2.3:a:shibboleth:shibboleth-sp:2.1:*:*:*:*:*:*:*2.1VulnerableShibboleth
  • cpe:2.3:a:apache:xml_security_for_c\+\+:1.6.0:*:*:*:*:*:*:* Versions 1.6.0 Vulnerable ·Apache
  • cpe:2.3:a:shibboleth:shibboleth-sp:*:*:*:*:*:*:*:* Versions up to 2.4.2 Vulnerable ·Shibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:1.3.1:*:*:*:*:*:*:* Versions 1.3.1 Vulnerable ·Shibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:1.3.2:*:*:*:*:*:*:* Versions 1.3.2 Vulnerable ·Shibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:1.3.3:*:*:*:*:*:*:* Versions 1.3.3 Vulnerable ·Shibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:1.3.4:*:*:*:*:*:*:* Versions 1.3.4 Vulnerable ·Shibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:1.3.5:*:*:*:*:*:*:* Versions 1.3.5 Vulnerable ·Shibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:1.3f:*:*:*:*:*:*:* Versions 1.3f Vulnerable ·Shibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Shibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Shibboleth
Show 6 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:shibboleth:shibboleth-sp:2.2:*:*:*:*:*:*:*2.2VulnerableShibboleth
cpe:2.3:a:shibboleth:shibboleth-sp:2.2.1:*:*:*:*:*:*:*2.2.1VulnerableShibboleth
cpe:2.3:a:shibboleth:shibboleth-sp:2.3:*:*:*:*:*:*:*2.3VulnerableShibboleth
cpe:2.3:a:shibboleth:shibboleth-sp:2.3.1:*:*:*:*:*:*:*2.3.1VulnerableShibboleth
cpe:2.3:a:shibboleth:shibboleth-sp:2.4:*:*:*:*:*:*:*2.4VulnerableShibboleth
cpe:2.3:a:shibboleth:shibboleth-sp:2.4.1:*:*:*:*:*:*:*2.4.1VulnerableShibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·Shibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·Shibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:2.3:*:*:*:*:*:*:* Versions 2.3 Vulnerable ·Shibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:2.3.1:*:*:*:*:*:*:* Versions 2.3.1 Vulnerable ·Shibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:2.4:*:*:*:*:*:*:* Versions 2.4 Vulnerable ·Shibboleth
  • cpe:2.3:a:shibboleth:shibboleth-sp:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·Shibboleth

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-2516
  2. 2026-10-03 Alias added: GHSA-2jmv-v2x6-mmv8

References

Exploit 1

Advisory 5

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences