Heap-based buffer overflow in the Exclusive Canonicalization functionality…
Priority MEDIUM 44CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Heap-based buffer overflow in the Exclusive Canonicalization functionality (xsec/canon/XSECC14n20010315.cpp) in Apache Santuario XML Security for C++ (aka xml-security-c) before 1.7.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted PrefixList attribute.
Why it matters now
EPSS 0.08402 95th percentileScored 2026-11-07
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:xml_security_for_c\+\+:*:*:*:*:*:*:*:* | up to 1.7.0 | Vulnerable | Apache |
| cpe:2.3:a:apache:xml_security_for_c\+\+:0.1.0:*:*:*:*:*:*:* | 0.1.0 | Vulnerable | Apache |
| cpe:2.3:a:apache:xml_security_for_c\+\+:0.2.0:*:*:*:*:*:*:* | 0.2.0 | Vulnerable | Apache |
| cpe:2.3:a:apache:xml_security_for_c\+\+:1.1.0:*:*:*:*:*:*:* | 1.1.0 | Vulnerable | Apache |
| cpe:2.3:a:apache:xml_security_for_c\+\+:1.2.0:*:*:*:*:*:*:* | 1.2.0 | Vulnerable | Apache |
| cpe:2.3:a:apache:xml_security_for_c\+\+:1.2.1:*:*:*:*:*:*:* | 1.2.1 | Vulnerable | Apache |
| cpe:2.3:a:apache:xml_security_for_c\+\+:1.3.0:*:*:*:*:*:*:* | 1.3.0 | Vulnerable | Apache |
| cpe:2.3:a:apache:xml_security_for_c\+\+:1.3.1:*:*:*:*:*:*:* | 1.3.1 | Vulnerable | Apache |
| cpe:2.3:a:apache:xml_security_for_c\+\+:1.4.0:*:*:*:*:*:*:* | 1.4.0 | Vulnerable | Apache |
| cpe:2.3:a:apache:xml_security_for_c\+\+:1.5.0:*:*:*:*:*:*:* | 1.5.0 | Vulnerable | Apache |
- cpe:2.3:a:apache:xml_security_for_c\+\+:*:*:*:*:*:*:*:* Versions up to 1.7.0 Vulnerable ·Apache
- cpe:2.3:a:apache:xml_security_for_c\+\+:0.1.0:*:*:*:*:*:*:* Versions 0.1.0 Vulnerable ·Apache
- cpe:2.3:a:apache:xml_security_for_c\+\+:0.2.0:*:*:*:*:*:*:* Versions 0.2.0 Vulnerable ·Apache
- cpe:2.3:a:apache:xml_security_for_c\+\+:1.1.0:*:*:*:*:*:*:* Versions 1.1.0 Vulnerable ·Apache
- cpe:2.3:a:apache:xml_security_for_c\+\+:1.2.0:*:*:*:*:*:*:* Versions 1.2.0 Vulnerable ·Apache
- cpe:2.3:a:apache:xml_security_for_c\+\+:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·Apache
- cpe:2.3:a:apache:xml_security_for_c\+\+:1.3.0:*:*:*:*:*:*:* Versions 1.3.0 Vulnerable ·Apache
- cpe:2.3:a:apache:xml_security_for_c\+\+:1.3.1:*:*:*:*:*:*:* Versions 1.3.1 Vulnerable ·Apache
- cpe:2.3:a:apache:xml_security_for_c\+\+:1.4.0:*:*:*:*:*:*:* Versions 1.4.0 Vulnerable ·Apache
- cpe:2.3:a:apache:xml_security_for_c\+\+:1.5.0:*:*:*:*:*:*:* Versions 1.5.0 Vulnerable ·Apache
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2013-2156
- 2026-10-03 Alias added: GHSA-qm7x-7jjj-7r38
- 2026-11-04 EPSS moved to the 95th–99th percentile
References
Advisory 1
Other 5
- http://santuario.apache.org/secadv.data/CVE-2013-2156.txt
- https://www.tenable.com/security/tns-2018-15
- 20130617 Re: CVE-2013-2156: Apache Santuario C++ heap overflow vulnerability
- [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.html
- [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.html
More Apache Xml Security For C++ vulnerabilities
- TI-2013-01923 Stack-based buffer overflow in the XML Signature Reference functionality… CVSS 2.0HIGH 7.5
- TI-2013-01976 Heap-based buffer overflow in the XML Signature Reference functionality in Apache… CVSS 2.0HIGH 7.5
- TI-2013-01924 Apache Santuario XML Security for C++ (aka xml-security-c) before 1.7.1 does not properly… CVSS 2.0MEDIUM 5.8
- TI-2011-02208 Off-by-one error in the XML signature feature in Apache XML Security for C++ 1.6.0, as… CVSS 2.0MEDIUM 5.0
- TI-2013-01922 The XML digital signature functionality (xsec/dsig/DSIGReference.cpp) in Apache Santuario… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2013-2156 · CVE Program
- CVE-2013-2156 · NVD
- FIRST EPSS
- GHSA-qm7x-7jjj-7r38 · GitHub Advisory Database · CC BY 4.0
- CVE-2013-2156 · Red Hat security data · CC BY 4.0
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