CVE-2011-1753
MEDIUM · CVSS 5.0EPSS 2.1%EU EUVD
expat_erl.c in ejabberd before 2.1.7 and 3.x before 3.0.0-alpha-3, and exmpp before 0.9.7, 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 XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-399
- EPSS score
- 2.1% (82th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-1752)
- Published
- June 21, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-1752 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / ejabberd
- process-one / exmpp
- process-one / exmpp
- process-one / exmpp
- process-one / exmpp
- process-one / exmpp
- process-one / exmpp
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062099.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062145.html
- http://secunia.com/advisories/44765(Vendor Advisory)
- http://secunia.com/advisories/44807(Vendor Advisory)
- http://secunia.com/advisories/45120
- http://www.debian.org/security/2011/dsa-2248
- http://www.ejabberd.im/ejabberd-2.1.7(Patch)
- http://www.process-one.net/en/ejabberd/release_notes/release_note_ejabberd_2.1.7/
- http://www.securityfocus.com/bid/48072
- https://bugzilla.redhat.com/show_bug.cgi?id=700454
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67769
- https://git.process-one.net/ejabberd/mainline/commit/bd1df027c622e1f96f9eeaac612a6a956c1ff0b6(Patch)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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