CVE-2011-1755

7.5 HIGH
Published: June 21, 2011 Modified: April 29, 2026
View on NVD

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://codex.xiaoka.com/svn/jabberd2/tags/jabberd-2.2.14/ChangeLog
Source: secalert@redhat.com
Broken Link
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
Source: secalert@redhat.com
Mailing List
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061341.html
Source: secalert@redhat.com
Mailing List
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061458.html
Source: secalert@redhat.com
Mailing List
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061482.html
Source: secalert@redhat.com
Mailing List
http://secunia.com/advisories/44787
Source: secalert@redhat.com
Broken Link Vendor Advisory
http://secunia.com/advisories/44957
Source: secalert@redhat.com
Broken Link
http://secunia.com/advisories/45112
Source: secalert@redhat.com
Broken Link
http://support.apple.com/kb/HT5002
Source: secalert@redhat.com
Third Party Advisory
http://www.mail-archive.com/jabberd2%40lists.xiaoka.com/msg01655.html
Source: secalert@redhat.com
Release Notes
http://www.redhat.com/support/errata/RHSA-2011-0881.html
Source: secalert@redhat.com
Broken Link
http://www.redhat.com/support/errata/RHSA-2011-0882.html
Source: secalert@redhat.com
Broken Link
http://www.securityfocus.com/bid/48250
Source: secalert@redhat.com
Broken Link Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=700390
Source: secalert@redhat.com
Issue Tracking Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/67770
Source: secalert@redhat.com
Third Party Advisory VDB Entry
https://hermes.opensuse.org/messages/9197650
Source: secalert@redhat.com
Broken Link
http://codex.xiaoka.com/svn/jabberd2/tags/jabberd-2.2.14/ChangeLog
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061341.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061458.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061482.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
http://secunia.com/advisories/44787
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Vendor Advisory
http://secunia.com/advisories/44957
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://secunia.com/advisories/45112
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://support.apple.com/kb/HT5002
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.mail-archive.com/jabberd2%40lists.xiaoka.com/msg01655.html
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
http://www.redhat.com/support/errata/RHSA-2011-0881.html
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.redhat.com/support/errata/RHSA-2011-0882.html
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.securityfocus.com/bid/48250
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=700390
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/67770
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://hermes.opensuse.org/messages/9197650
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link

32 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
8.5%
92th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-776

Affected Vendors

apple jabberd2 fedoraproject

Related CVEs

CVE-2026-7779 4.3
CVE-2026-42238 N/A
CVE-2026-42223 6.5
CVE-2026-42222 8.1
CVE-2026-42221 8.1