Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2013-1864

14
FAUCET Score

CVE-2013-1864 describes a denial-of-service vulnerability in the Portable Tool Library (PTLib) versions prior to 2.10.10, specifically as used in Ekiga before 4.0.1. This flaw, a "billion laughs attack," allows remote attackers to consume excessive memory and CPU resources by sending a specially crafted PXML document with deeply nested entity references. With a CVSS score of 4.3, this vulnerability has a network attack vector and medium attack complexity, leading to a potential denial of service. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.10.1CPE matchmatch criteria
cpe:2.3:a:opalvoip:portable_tool_library:2.10.1:*:*:*:*:*:*:*
2.10.2CPE matchmatch criteria
cpe:2.3:a:opalvoip:portable_tool_library:2.10.2:*:*:*:*:*:*:*
2.10.7CPE matchmatch criteria
cpe:2.3:a:opalvoip:portable_tool_library:2.10.7:*:*:*:*:*:*:*
2.10.9CPE matchmatch criteria
cpe:2.3:a:opalvoip:portable_tool_library:2.10.9:*:*:*:*:*:*:*
<= 4.0.0CPE matchmatch criteria
cpe:2.3:a:ekiga:ekiga:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.85%
Probability of exploitation in next 30 days
EPSS Percentile
85.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0285 is in the 78th percentile among its peer group of 19,953 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: pwlib
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: ptlib

Vendor Advisories (1)

redhatCVE-2013-1864Low

ptlib: denial of service processing certain XML documents

Jan 9, 2013

References

lists.fedoraproject.org / pipermail/package-announce/2013-March/099553.html
osvdb.org / 91439
seclists.org / oss-sec/2013/q1/674
secunia.com / advisories/52659
exchange.xforce.ibmcloud.com / vulnerabilities/82885
sourceforge.net / p/opalvoip/code/28856
ExploitPatch
suse.com / support/update/announcement/2014/suse-su-20140237-1.html
ekiga.org / news/2013-02-21/ekiga-4.0.1-stable-available
PatchVendor Advisory
securityfocus.com / bid/58520