High 7.5Published Jun 20, 2011

CVE-2011-1755jabberd2 before 2.2.14 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 c…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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It affects jabberd2 and 3 other products. Add what you run to find out whether that includes you.

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jabberd2 before 2.2.14 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.

CVSS: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-776
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

jabberd2 jabberd2 jabberd2:jabberd2	before 2.2.14	NVD
fedoraproject fedora fedoraproject:fedora	13; 14; 15	NVD
apple mac_os_x apple:mac_os_x	before 10.6.8; from 10.7.0 before 10.7.2	NVD
apple mac_os_x_server apple:mac_os_x_server	before 10.6.8; from 10.7.0 before 10.7.2	NVD

References

References

http://codex.xiaoka.com/svn/jabberd2/tags/jabberd-2.2.14/ChangeLog	broken-link
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html	mailing-list
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061341.html	mailing-list
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061458.html	mailing-list
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061482.html	mailing-list
http://secunia.com/advisories/44787	broken-link, vendor-advisory
http://secunia.com/advisories/44957	broken-link
http://secunia.com/advisories/45112	broken-link
http://support.apple.com/kb/HT5002	third-party-advisory
http://www.mail-archive.com/jabberd2%40lists.xiaoka.com/msg01655.html	release-notes
1–10 of 16

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.