CVE-2013-1864
MEDIUM · CVSS 4.3EPSS 2.9%EU EUVD
The Portable Tool Library (aka PTLib) before 2.10.10, as used in Ekiga before 4.0.1, does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted PXML document containing a large number of nested entity references, aka a "billion laughs attack."
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 2.9% (87th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-1867)
- Published
- May 23, 2014
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-1867 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- ekiga / ekiga
- opalvoip / portable tool library
- opalvoip / portable tool library
- opalvoip / portable tool library
- opalvoip / portable tool library
- suse / suse linux enterprise desktop
- suse / suse linux enterprise software development kit
References
- http://lists.fedoraproject.org/pipermail/package-announce/2013-March/099553.html
- http://osvdb.org/91439
- http://seclists.org/oss-sec/2013/q1/674
- http://secunia.com/advisories/52659
- http://sourceforge.net/p/opalvoip/code/28856(Exploit, Patch)
- http://www.ekiga.org/news/2013-02-21/ekiga-4.0.1-stable-available(Patch, Vendor Advisory)
- http://www.securityfocus.com/bid/58520
- https://exchange.xforce.ibmcloud.com/vulnerabilities/82885
- https://www.suse.com/support/update/announcement/2014/suse-su-20140237-1.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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