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Vulnerability record · CVE-2013-2155 · published 20 August 2013

CVE-2013-2155: Apache xml security for c\+\+ improper input validation vulnerability

Apache · Xml Security For C\+\+

Apache Santuario XML Security for C++ (aka xml-security-c) before 1.7.1 does not properly validate length values, which allows remote attackers to cause a denial of service or bypass the CVE-2009-0217 protection mechanism and spoof a signature via crafted length values to the (1) compareBase64StringToRaw, (2) DSIGAlgorithmHandlerDefault, or (3) DSIGAlgorithmHandlerDefault::verify functions.

5.8 CVSS 2.0 Medium EPSS 5.8% · top 7.1% CWE-20 · Improper input validation
5.8CVSS 2.0 base score
5.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

Apache Santuario XML Security for C++ (aka xml-security-c) before 1.7.1 does not properly validate length values, which allows remote attackers to cause a denial of service or bypass the CVE-2009-0217 protection mechanism and spoof a signature via crafted length values to the (1) compareBase64StringToRaw, (2) DSIGAlgorithmHandlerDefault, or (3) DSIGAlgorithmHandlerDefault::verify functions.

AV:N/AC:M/Au:N/C:N/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/fulldisclosure/2013-06/0142.html
http://santuario.apache.org/secadv.data/CVE-2013-2155.txt Vendor Advisory
http://svn.apache.org/viewvc/santuario/xml-security-cpp/trunk/xsec/dsig/DSIGAlgorithmHandlerDefault.cpp?r1=1125752&r2=14 Patch
http://www.debian.org/security/2013/dsa-2710
https://lists.apache.org/thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apa
https://lists.apache.org/thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.ap
https://www.tenable.com/security/tns-2018-15
http://archives.neohapsis.com/archives/fulldisclosure/2013-06/0142.html
http://santuario.apache.org/secadv.data/CVE-2013-2155.txt Vendor Advisory
http://svn.apache.org/viewvc/santuario/xml-security-cpp/trunk/xsec/dsig/DSIGAlgorithmHandlerDefault.cpp?r1=1125752&r2=14 Patch
http://www.debian.org/security/2013/dsa-2710
https://lists.apache.org/thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apa
https://lists.apache.org/thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.ap
https://www.tenable.com/security/tns-2018-15

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2013-2155), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.