Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2011-2516 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063159.html	CVE
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063229.html	CVE
http://santuario.apache.org/secadv/CVE-2011-2516.txt	CVE	Vendor Advisory
http://secunia.com/advisories/45151	CVE	Vendor Advisory
http://secunia.com/advisories/45191	CVE	Vendor Advisory
http://secunia.com/advisories/45198	CVE
http://secunia.com/advisories/45491	CVE
https://exchange.xforce.ibmcloud.com/vulnerabilities/68420	CVE
http://shibboleth.internet2.edu/secadv/secadv_20110706.txt	CVE	Vendor Advisory
https://issues.apache.org/jira/browse/SANTUARIO-271	CVE	Exploit
https://lists.apache.org/thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apache.org%3E	CVE
https://lists.apache.org/thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.apache.org%3E	CVE
http://www.debian.org/security/2011/dsa-2277	CVE
http://www.securityfocus.com/archive/1/518756/100/0/threaded	CVE
http://www.securityfocus.com/bid/48611	CVE
http://www.securitytracker.com/id?1025755	CVE
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063159.html	[email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063229.html	[email protected]
http://santuario.apache.org/secadv/CVE-2011-2516.txt	[email protected]	Vendor Advisory
http://secunia.com/advisories/45151	[email protected]	Vendor Advisory
http://secunia.com/advisories/45191	[email protected]	Vendor Advisory
http://secunia.com/advisories/45198	[email protected]
http://secunia.com/advisories/45491	[email protected]
https://exchange.xforce.ibmcloud.com/vulnerabilities/68420	[email protected]
http://shibboleth.internet2.edu/secadv/secadv_20110706.txt	[email protected]	Vendor Advisory
https://issues.apache.org/jira/browse/SANTUARIO-271	[email protected]	Exploit
https://lists.apache.org/thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apache.org%3E	[email protected]
https://lists.apache.org/thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.apache.org%3E	[email protected]
http://www.debian.org/security/2011/dsa-2277	[email protected]
http://www.securityfocus.com/archive/1/518756/100/0/threaded	[email protected]
http://www.securityfocus.com/bid/48611	[email protected]
http://www.securitytracker.com/id?1025755	[email protected]

see all 32 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-189	Numeric Errors	[email protected]

Affected Products

Product	Versions
apache xml security for c++	1.6.0
CPE cpe:2.3:a:apache:xml_security_for_c++:1.6.0:::::::* Remediation No remediation found in references.
shibboleth shibboleth-sp	<= 2.4.2 1.3.1 1.3.2 1.3.3 1.3.4
CPE cpe:2.3:a:shibboleth:shibboleth-sp:::::::: cpe:2.3:a:shibboleth:shibboleth-sp:1.3.1:::::::* cpe:2.3:a:shibboleth:shibboleth-sp:1.3.2:::::::* cpe:2.3:a:shibboleth:shibboleth-sp:1.3.3:::::::* cpe:2.3:a:shibboleth:shibboleth-sp:1.3.4:::::::* cpe:2.3:a:shibboleth:shibboleth-sp:1.3.5:::::::* cpe:2.3:a:shibboleth:shibboleth-sp:1.3f:::::::* cpe:2.3:a:shibboleth:shibboleth-sp:2.0:::::::* cpe:2.3:a:shibboleth:shibboleth-sp:2.1:::::::* cpe:2.3:a:shibboleth:shibboleth-sp:2.2:::::::* cpe:2.3:a:shibboleth:shibboleth-sp:2.2.1:::::::* cpe:2.3:a:shibboleth:shibboleth-sp:2.3:::::::* cpe:2.3:a:shibboleth:shibboleth-sp:2.3.1:::::::* cpe:2.3:a:shibboleth:shibboleth-sp:2.4:::::::* cpe:2.3:a:shibboleth:shibboleth-sp:2.4.1:::::::* Remediation No remediation found in references.

Change History

10 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Feb 13, 2023	CVE Modified	[email protected]
Sep 17, 2021	CVE Modified	[email protected]
Aug 23, 2019	CVE Modified	[email protected]
Oct 9, 2018	CVE Modified	[email protected]
Aug 29, 2017	CVE Modified	[email protected]
Jul 12, 2011	Initial Analysis	[email protected]