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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 7.72% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.6% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-07-11 20:00Z15 YR AGO
- Last updated
- 2024-08-06 23:00Z2 YR AGO
- Reserved
- 2011-06-15
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- bc81217720377f4964b34a41b2204099560b90aa0207bd5151e63139e9690151
05 Affected products
06 References
- www.debian.orgDSA-2277http://www.debian.org/security/2011/dsa-2277
- secunia.com45491http://secunia.com/advisories/45491
- secunia.com45151http://secunia.com/advisories/45151
- www.securityfocus.com20110707 Security Advisory: CVE-2011-2516http://www.securityfocus.com/archive/1/518756/100/0/threaded
- exchange.xforce.ibmcloud.comapache-xml-dos(68420)https://exchange.xforce.ibmcloud.com/vulnerabilities/68420
- issues.apache.orghttps://issues.apache.org/jira/browse/SANTUARIO-271
- santuario.apache.orghttp://santuario.apache.org/secadv/CVE-2011-2516.txt
- lists.fedoraproject.orgFEDORA-2011-9501http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063159.html
- secunia.com45198http://secunia.com/advisories/45198
- secunia.com45191http://secunia.com/advisories/45191
- shibboleth.internet2.eduhttp://shibboleth.internet2.edu/secadv/secadv_20110706.txt
- www.securitytracker.com1025755http://www.securitytracker.com/id?1025755
- lists.fedoraproject.orgFEDORA-2011-9494http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063229.html
- www.securityfocus.com48611http://www.securityfocus.com/bid/48611
- lists.apache.org[santuario-commits] 20190823 svn commit: r1049214 - in /websites/production/santuario/content: cache/main.pageCache download.html index.html javaindex.html javareleasenotes.html secadv.data/CVE-2019-12400.asc secadv.htmlhttps://lists.apache.org/thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apache.org%3E
- lists.apache.org[santuario-commits] 20210917 svn commit: r1076843 - in /websites/production/santuario/content: cache/main.pageCache index.html javaindex.html secadv.data/CVE-2021-40690.txt.asc secadv.htmlhttps://lists.apache.org/thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.apache.org%3E
07 Fixed in
Debian 12
- xml-security-c Fixed in 1.6.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xml-security-c Fixed in 1.6.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xml-security-c Fixed in 1.6.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.