CVE-2011-2516

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.

• CWE-189

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

Published

Jul 11, 2011

Last Modified

Jun 16, 2026

Status

Modified

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